有备无患
yǒu bèi wú huàn
better safe than sorry
Character by character
有yǒu
have
have
备bèi
preparation
preparation
无wú
no
no
患huàn
disaster
disaster
Example
带把伞吧，有备无患。
Take an umbrella, just in case.
Tone: positive (praise).
Usage and origin
Everyday 'just in case' wisdom.
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