签字 (qiān zì): to sign; signature

There is a blank space at the bottom of the last page of the contract; please sign and date there.

The doctor handed me the surgery consent form and asked me to read it carefully and then sign; I was so nervous that my hand was trembling a little.

A rental contract must be signed by both the landlord and the tenant; otherwise, the contract will not take effect.

Only after he signs the check will the bank transfer the money to the other party's account.