中箭落马

zhòng jiàn luò mǎ

lit. to be struck by an arrow and fall from one's horse

to suffer a serious setback (idiom)

zhòng

to hit (a target)

jiàn

arrow

luò

to fall or drop

abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]