Adam stumbles on, leaving a trail of devastation in his wake.亚当蹒跚而行，沿路留下毁坏的痕迹。Mary often stumbles in her speech.玛丽常常结结巴巴地讲话.You always stumbles, in a word, you a jerk.你老是出错.一句话, 你是个废物....
他朝着那只鸟射击,但没射中.He shot at bird but he didn't shoot it.他仔细瞄准, 但子弹没射中目标.He took careful aim, but his shot fell short.他朝着一只野鸭射击, 但没射中.He shot at a wild duck, but missed it....