adj.怯懦的,胆小的,懦弱的 adv.怯懦地,胆怯地
That was sporting of him. Or should I say cowardly.
他风格真高。或者我是否应该说他很懦弱？
This was a cowardly thing to do.
做这种事是懦弱的行为。
I was too cowardly to complain.
我太胆小，不敢抱怨。