as fierce (/tough)as a bull ? 有什么可怕的？他們表面上～，實(shí)際上膽小如鼠。What’s there to be afraid of? They are outwardly as fierce as a bull but inwardly as timid as a mouse.
氣壯如牛
as strong as a bull 表面上～，實(shí)際上膽小如鼠outwardly as strong as a bull,but inwardly as timid as a mouse
氣壯如牛qì zhuànɡ rú niú
形容氣勢(shì)象牛一樣雄壯。as tough as bulls, fierce as a bull, strong as an ox