脫韁之馬

lit. a horse that has thrown off the reins (idiom); runaway horse / out of control

to shed / to take off / to escape / to get away from

to throw off the reins / runaway (horse) / fig. out of control

bridle / reins / halter

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

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