signed

基本解释

The peace treaty was signed in Paris.
该和平条约是在巴黎签订的。
《新英汉大辞典》
This passport has to be signed before the official can validate it.
这个护照必须先行签署，官方才能确认其有效。
The new government repudiated the treaty signed by the former government.
新政府拒绝履行前任政府签订的条约。

The current version of the law, signed by George W.Bush eight years ago,is known as the No Child Left Behind Act.
Although we probably signed up the portal companies that represent more than 80% of the Chinese search traffic, Baidu still could not survive.
尽管占中国搜索流量超过80%的门户网站,都与我们签了约，百度的生存问题。
斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选
I think your word "vocation" is the key, certain kind of calling, And I signed the divine wisdom actually.
我认为你所说的“职业“是关键，这是一种召唤，我做的是宣扬神的智慧。
普林斯顿公开课 - 人性课程节选

She is only one of the benefactors who signed on to help Baan Borang.
FORBES: Weaving Connections

A sign is a mark or shape that always has a particular meaning, for example, in mathematics or music.
A sign is a movement of your arms, hands, or head which is intended to have a particular meaning.
If you sign, you communicate with someone using sign language. If a programme or performance is signed, someone uses sign language so that deaf people can understand it.
A sign is a piece of wood, metal, or plastic with words or pictures on it. Signs give you information about something, or give you a warning or an instruction.
If there is a sign of something, there is something which shows that it exists or is happening.
When you sign a document, you write your name on it, usually at the end or in a special space. You do this to indicate that you have written the document, that you agree with what is written, or that you were present as a witness.
If an organization signs someone or if someone signs for an organization, they sign a contract agreeing to work for that organization for a specified period of time.
In astrology, a sign or a sign of the zodiac is one of the twelve areas into which the heavens are divided.
&rarrsee also signing
If you say that there is no sign of someone, you mean that they have not yet arrived, although you are expecting them to come.