“健壮如牛”常用 as strong as a horse 来表达，但 as strong as an ox 也是可以的。如：

He is as strong as an ox. 他体壮如牛。《简明英汉词典》

▲英语和汉语一样，常用动物作比喻以加强语意。如：

用蝙蝠比喻视力差：as blind as a bat 

用狐狸比喻狡猾：as sly as a fox

用老鼠(野兔)比喻胆小：as timid as a mouse/hare

用蜗牛比喻缓慢：as slow as a snail

用公鸡比喻骄傲：as proud as a cock

用天鹅比喻姿态优雅：as graceful as a swan

用羊羔比喻性情温顺：as gentle as a lamb

用蜜蜂比喻忙碌：as busy as a bee

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