Please sign your name at the bottom of the form.
请在表格底部签名。
He gave me a sign to indicate he understood.
他给了我一个信号，表示他明白了。
We need your sign on this document for approval.
我们需要你的签字来批准这份文件。
There is a sign warning about the slippery floor.
有一个标志警告地板湿滑。
She took it as a sign to start the project.
她把这当作开始项目的信号。
He is learning to sign using sign language.
他正在学习用手语打手势。
The weather is a sign that winter is coming.
天气是冬天即将来临的征兆。
They put up a sign to direct the traffic flow.
他们竖起了一个标牌来指引交通流。
She asked him to sign the contract immediately.
她让他立即签署合同。
He gave a thumbs-up sign to show approval.
他竖起大拇指表示赞同。
sign up
签约受雇；报名接受培训等；报名参军；达成交易
sign on
签约受雇；签约参加社团；失业注册
sign language
手势语
traffic sign
交通标志
road sign
道路标志；指路牌
复数: signs;
第三人称单数: signs;
过去式: signed;
过去分词: signed;
现在分词: signing;
