(zoology) horse / (colloquial) Short for sức ngựa (“horsepower”). / (Southern Vietnam) trestle

(figurative, chiefly Southern Vietnam, slang, derogatory) over-the-top flashy; gaudy; provocative; flirtatious; promiscuous; etc.

Equidae

a zebra (African animal)

mantis

a sea horse (fish) / Short for cờ cá ngựa.

Asian black bear (Ursus thibetanus)

(literally) to fall from a horse / (figurative) to lose one's power, position, success, fame, wealth, etc.; to be caught, arrested, demoted or ousted; to suffer a defeat or failure

(Southern Vietnam) mantis

(games) leapfrog