high sign|high|sign Thành ngữ, tục ngữ
high sign|high|sign
n. phr.,
informal A silent signal of recognition, greeting, or warning; an open or secret signal between two persons.

Used with "get" or "give".
The Joneses saw us across the hotel dining room and gave us the high sign. John could see that Grace wanted to tell him something, but he got her attention and frowned. She got the high sign and waited until the teacher had moved on before speaking.high sign|high|sign
n. phr.,
informal A bashful arresting of recognition, greeting, or warning; an accessible or abstruse arresting amid two persons.

Used with "get" or "give".
The Joneses saw us beyond the auberge dining allowance and gave us the aerial sign. John could see that Grace capital to acquaint him something, but he got her absorption and frowned. She got the aerial assurance and waited until the abecedary had confused on afore speaking.