謹小慎微

Simplified: 谨小慎微

jǐnxiǎoshènwēi ㄐㄧㄣˇ ㄒㄧㄠˇ ㄕㄣˋ ㄨㄟ

    • overly cautious and timid
    • extremely careful about trifles

Character by character

Sources