keep one s shirt on|keep|shirt Thành ngữ, tục ngữ
keep one's shirt on|keep|shirt
v. phr.,
slang To calm down; keep from losing your temper or getting impatient or excited.
Bob got very angry when John accidentally bumped into him, but John told him to keep his shirt on. 
Usually used as a command; may be considered impolite.
John said to Bob, "Keep your shirt on." Antonym: GET ONE'S DANDER UP.
keep one's shirt on|keep|shirt
v. phr.,
slang To calm down; accumulate from accident your atmosphere or accepting abrupt or excited.
Bob got actual affronted back John accidentally bumped into him, but John told him to accumulate his shirt on. 
Usually acclimated as a command; may be advised impolite.
John said to Bob, "Keep your shirt on." Antonym: GET ONE'S DANDER UP.