Countersign
n. 口令, 暗号, 副署\\nvt. 副署, 确认
✅ 同义词
🔴 反义词
📖 牛津释义
countersign
v[Tn]
sign (a document, etc already signed by another person 副署; 会签)
a cheque countersigned on the back 背书支票.
countersign n secret word which must be spoken to a guard, etc before one is allowed to pass; password 回令（回应警卫人员等的暗语以便通行）
give the countersign 应答回令.
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
Could you please explain the premises of your argument in more detail?
你能详细说明你们的论据吗？
You're a pain in the ass.
你这讨厌鬼。