tuō jiāng zhī mǎ
lit. a horse that has thrown off the reins (idiom); runaway horse
out of control
脱
tuō
to shed
缰
jiāng
bridle
之
zhī
(possessive particle, literary equivalent of 的[de5])
马
mǎ
abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]