Unterschrift 
chữ ký 
signature like: Unterschrift → →
die Unterschrift ☊ 
chữ kí ☊ 
☊ Unterschrift ☊ 签名 ☊ qiānmíng We're collecting signatures for a petition. ☊ collect ☊
On closer examination it was found that the signature was not genuine. ☊ examination ☊
ready to do sth: The contract will be ready to sign in two weeks. ☊ ready ☊
I just require a signature on the form. ☊ require ☊
Someone had forged her signature on the cheque. ☊ signature ☊
They collected 10 000 signatures for their petition. ☊ signature ☊
Can you witness my signature on my will, please? ☊ signature ☊