蠢頭蠢腦

Simplified: 蠢头蠢脑

chǔntóuchǔnnǎo ㄔㄨㄣˇ ㄊㄡˊ ㄔㄨㄣˇ ㄋㄠˇ

    • stupid and dull-witted looking

Character by character

Sources