qīng tíng hàn shí zhù
lit. the dragon-fly shakes the stone tower (idiom); fig. to overestimate one's capabilities
蜻
qīng
see 蜻蜓[qing1 ting2]
蜓
tíng
撼
hàn
to shake
石
shí
abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei
柱
zhù
pillar