蜻蜓撼石柱

qīng tíng hàn shí zhù

lit. the dragon-fly shakes the stone tower (idiom); fig. to overestimate one's capabilities

qīng

see 蜻蜓[qing1 ting2]

tíng

see 蜻蜓[qing1 ting2]

hàn

to shake

shí

abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei

zhù

pillar