Nghĩa là gì: alpha cut-off frequency

alpha cut-off frequency

(Tech) tần số cắt anfa, tần số giới hạn anfa

give (someone) the brush off Thành ngữ, tục ngữ

a bit off/a bit mental

not rational, unbalanced, one brick short Kate talks to the birds. Do you think she's a bit off?

a chip off the old block

a boy who is like his dad, the apple doesn't... Eric is a chip off the old block. He's just like his dad.

a little hair off the dog

(See hair off the dog)

a little off

not quite sane, a bit crazy, one brick short... When Clem started eating grass, we knew he was a little off.

a rip-off

unfair price or rule, priced too high The price of drinks was a rip-off. A small Coke cost $3!

a takeoff on

similar to, based on the same idea, a send-up The school play was a takeoff on Shakespeare's Hamlet.

an offer I couldn't refuse

an offer that contains a threat or force, a request that is a command The border guards invited me to stay for further questioning - it was an offer I couldn't refuse.

another nail in your coffin

"another cigarette; harmful substance" Every cigarette he smoked was another nail in his coffin.

back off

do not come closer, do not touch me Back off, you animal! Don't touch me!

be off

leave, go, off with you Be off, my dear, or you'll be late for work.

beat the pants off

defeat by a large score, blow you away "Ho plays table tennis very well; she'll beat the pants off you."

beg off

ask to be excused from duty, get out of a task Some people volunteer to work and then they beg off.

better off

in better conditions: healthier or wealthier etc. Are you better off renting an apartment than buying a house?

bit off

(See a bit off)

bite off more than one can chew

take responsibility for more than one can

bite off more than you can chew

begin more tasks than you can complete When I took the night class, I bit off more than I could chew.

blow the lid off

reveal a story, tell some news, break a story When the defendant confessed, it blew the lid off the murder trial.

branch office

an office in another location or city Please contact our branch office in your town or city.

break off

tell a friend that you wish to stop seeing him She wonders if she should break off her relationship with Liam.

bring it off

manage it successfully, carry it off Don't worry about the project. Mr. Ho can bring it off.

bring off

perform successfully We were unable to bring off the deal to buy the new computer system for our company.

browned off

unhappy, a little bit angry, ticked off Tran was browned off because we were late. She didn't like that.

brush it off

not let it bother you, not be concerned When Erik criticizes my family, I just brush it off and walk away.

brush-off

(See give him the brush-off)

buy off

use a gift or money to divert someone from their duty or purpose The land developer tried to buy off the politician but he was not successful.

buzz off

go away, beat it, get lost Next time he asks to borrow something, tell him to buzz off.

call off

stop, quit, cancel The meeting was called off because everybody was busy dealing with urgent business.

call off the dogs

tell your friends to stop harassing me Okay, I'll pay what I owe you. But call off the dogs!

carry it off

make it happen, pull it off This project requires planning and skill, but he can carry it off.

catch you off guard

surprise you, say what you do not expect Did my comment about dog poop catch you off guard?

cheesed off

upset, annoyed, ticked off They were cheesed off when I said you wouldn't pay them.

chip off the old block

(See a chip off the old block)

coffee break

a break from work to rest and drink coffee We usually take a 15-minute coffee break every morning about 10 o

coffee talk

conversation while having coffee, water-cooler... I don't believe Sally's pregnant. It's just coffee talk, just gossip.

come off

happen as planned, succeed The band wanted to produce a CD, but it didn't come off.

come off it

I do not believe it, you're kidding You had a date with Cybill Shepherd? Come off it!

cool off

control your emotions, chill out, calm down I better cool off before I talk to the kids. I'm still angry.

cut him off

not have sex with him, not make love to him If he doesn't buy me a car, I'll cut him off - no nookie!

cut off

interrupt, prevent from talking, shut down "The chairman cut me off in the middle of my question. ""You're out of order,"" he said."

cut off one

make things worse for oneself because one is angry - usually at someone else When he decided not to go to the party he was cutting off his nose to spite his face. He was the one who lost out on a good opportunity to meet many new people.

cut off your nose to spite your face

make your problem worse, hurt yourself because you dislike yourself If you abuse drugs to forget a problem, you are cutting off your nose to spite your face.

cut (someone) off

stop someone from saying something We tried to outline our proposal but we were constantly cut off by our noisy opponents.

dash off

do or finish quickly, leave quickly I will dash off a letter now but then I must go to work.

dash off a note/letter

quickly write a note or letter and send it Josi dashed off a note to her cousin in Toronto - in English.

die off

die one after another until the number is small The house plants began to die off as soon as he moved to a new apartment.

drop off

go to sleep, doze, fall asleep I only dropped off for a second. I was awake for the news.

ease off

reduce in severity or pressure, relax The president was asked to ease off on his efforts to save money in the company.

eat high off the hog

(See high on the hog)

fall off

decrease The number of tourists to visit the island has fallen off recently.

fall off the wagon

become drunk again, return to a bad habit The old man fell off the wagon. He got drunk last night.