sign

中文意思

n. a perceptible indication of something not immediately apparent (as a visible clue that something has happened)
n. a public display of a message
n. (medicine) any objective evidence of the presence of a disorder or disease
n. a gesture that is part of a sign language

n. 迹象
Dark clouds in the sky are a clear sign that it is going to rain soon.
天空中的乌云是很快就要下雨的明显迹象。
n. 招牌
We missed the restaurant because its sign was too small to see in the dark.
我们错过了那家餐厅，因为它的招牌太小，在黑暗中看不清楚。
n. 符号
The plus sign is used in mathematics to show addition.
加号是数学中用来表示加法的符号。
n. 手势
The driver made a quick hand sign to tell us it was safe to cross.
司机打了个快速的手势，告诉我们过马路是安全的。
v. 签名
Please read the contract carefully before you sign your name at the bottom.
请在底部签名之前仔细阅读这份合同。
v. 打手势
Since the room was very noisy, she signed to her friend to come outside.
由于房间里非常吵闹，她打手势叫朋友到外面来。