The food was unfit for human consumption.这种食物不适于人吃。The food was declared unfit for human consumption.这种食品被宣布不适于人吃。He had a third examination and was declared unfit for duty.他接受了第三次检查，被告知不宜上班。I know nothing about boxing, ...
Well, maybe I stumped you on that one.好吧，也许我在那件事上使你为难了。The Marshal stepped over the vacuum-cleaner and stumped out of the room.元帅迈过真空吸尘器，脚步沉重地走出了房间。John is stumped by an unexpected question...一个意想不到的问题把约翰难住了。Will you hel...