撼树蚍蜉

hàn shù pí fú

see 蚍蜉撼樹|蚍蜉撼树[pi2 fu2 han4 shu4]

撼

hàn

to shake

树

shù

tree

蚍

pí

used in 蚍蜉[pi2 fu2]

蜉

fú

used in 蚍蜉[pi2 fu2]