断线风筝

duàn xiàn fēng zhēng

a kite that is lost after its string breaks (metaphor for sb one never hears from anymore)

断

duàn

to break

线

xiàn

variant of 線|线[xian4]

风

fēng

wind

筝

zhēng

see 古箏|古筝[gu3 zheng1]