害群之馬

lit. a horse that brings trouble to its herd (idiom) / fig. troublemaker / black sheep / rotten apple

(possessive particle, literary equivalent of 的[de5]) / him / her / it

variant of 群[qun2]

group / crowd / flock, herd, pack etc

to do harm to / to cause trouble to / harm / evil / calamity

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

horse / CL:匹[pi3] / horse or cavalry piece in Chinese chess / knight in Western chess