warhorsen.
'wɔrhɔrs
中文n. 老兵；军马；老练的人
词根词源
warhorse (n.)also war-horse, 1650s, "powerful horse ridden into war," from war (n.) + horse (n.). Figurative sense of "seasoned veteran" of anything is attested from 1837. In reference to women perceived as tough, by 1921.
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