wǒ de qiánbāo diū le
I lost my wallet
小心!
Watch out!
small
xiǎo
heart
xīn
小心 is a compound word: 小 (small) + 心 (heart), together meaning "be careful" or "take care." It's a fixed expression used as a warning or caution.
小心点
xiǎo xīn diǎn
Be a bit careful. — More casual and colloquial.
注意安全
zhùyì ānquán
Pay attention to safety. — More formal and used in official or written contexts.
小心!
xiǎoxīn!
Watch out!
我知道了,谢谢!
wǒ zhīdàole, xièxiè!
I got it, thanks!
Appropriate
Avoid when
You say 小心! (xiǎoxīn!). It literally means "small heart" but is used as a warning.
Use it to warn someone of immediate danger, like a car coming or a slippery floor. For general caution, say 小心一点 (xiǎoxīn yìdiǎn).
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