敲小鼓
qiāo​xiǎo​gǔ

to feel nervous

敲小鼓 qiāo//xiǎo​gǔ
to feel nervous
(colloquial) to feel uneasy or anxious
to play a small drum
to beat a small drum or tabor
to engage in petty activities
to go about small-scale activities, often illicitly or for personal gain; to be up to something small; to peddle wares or ideas