大惊小怪

dà jīng xiǎo guài

to make a fuss about nothing

Character by character

大dà
big

惊jīng
alarm

小xiǎo
small

怪guài
oddity

这点儿小事不用大惊小怪。

There's no need to make a fuss over such a small thing.

Tone: negative (criticism).

Usually in advice with 别 or 不用; close to 小题大做.

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