Usage note
签字的意思是写下自己的名字，表示同意或确认。
Qiān zì de yìsi shì xiě xià zìjǐ de míngzì, biǎoshì tóngyì huò quèrèn.
To sign means to write your own name to show agreement or confirmation.
Context note
在收到礼物或完成作业时，有时需要签字。
Zài shōu dào lǐwù huò wánchéng zuòyè shí, yǒushí xūyào qiān zì.
Sometimes you need to sign when receiving a gift or finishing homework.
5 examples
请在这里签字。
qǐng zài zhè lǐ qiān zì。
Please sign here.
妈妈在卡片上签字。
mā ma zài kǎ piàn shàng qiān zì。
Mom signs on the card.
老师让我们在试卷上签字。
lǎo shī ràng wǒ men zài shì juàn shàng qiān zì。
The teacher asks us to sign on the test paper.
爸爸在收据上签字。
bà ba zài shōu jù shàng qiān zì。
Dad signs on the receipt.
我学会了签字。
wǒ xué huì le qiān zì。
I learned to sign.
5 mini stories
小明在生日卡上签字送给朋友。朋友很开心。
xiǎo míng zài shēng rì kǎ shàng qiān zì sòng gěi péng yǒu。 péng yǒu hěn kāi xīn。
Xiao Ming signs on the birthday card and gives it to a friend. The friend is very happy.
小红在作业本上签字。老师表扬她认真。
xiǎo hóng zài zuò yè běn shàng qiān zì。 lǎo shī biǎo yáng tā rèn zhēn。
Xiao Hong signs on the homework book. The teacher praises her for being careful.
小华在借书单上签字。他借了一本故事书。
xiǎo huá zài jiè shū dān shàng qiān zì。 tā jiè le yì běn gù shì shū。
Xiao Hua signs on the book borrowing list. He borrows a storybook.
小丽在画作上签字。她的画被贴在墙上。
xiǎo lì zài huà zuò shàng qiān zì。 tā de huà bèi tiē zài qiáng shàng。
Xiao Li signs on the painting. Her painting is posted on the wall.
小刚在奖状上签字。他获得了进步奖。
xiǎo gāng zài jiǎng zhuàng shàng qiān zì。 tā huò dé le jìn bù jiǎng。
Xiao Gang signs on the certificate. He receives an improvement award.
Mini dialogue
签名
A
请在这里签字。
Qǐng zài zhè lǐ qiān zì.
Please sign here.
B
好的，我马上签字。
Hǎo de, wǒ mǎ shàng qiān zì.
Okay, I'll sign right away.
作业签字
A
妈妈，老师让你在我的作业上签字。
Mā ma, lǎo shī ràng nǐ zài wǒ de zuò yè shàng qiān zì.
Mom, the teacher asked you to sign my homework.
B
好的，我看看，然后签字。
Hǎo de, wǒ kàn kàn, rán hòu qiān zì.
Okay, let me look at it and then sign.
Related words and contrasts
similar
签名
qiān míng
signature
Can be used as a verb or noun, similar to 签字.
related
画押
huà yā
make one's mark (in former times)
Historical term for signing with a mark or fingerprint.