签合同的英文：
contract
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约
The contract was negotiated.合约已谈妥。
confidentiality of contracts合同的保密性
Renewal of contract合同的续订
crimp contraction皱缩率
a contracted brow皱缩的眉头
参考例句：
Shall we sign the contract?我们签合同好吗？
The interval between contract signing and shipment is too long, I'm afraid.恐怕签合同与交货时间相隔太长了。
