adj.不适宜的,不适当的;体格不佳的,不健康的;
例句:
You look very unfit.
你看上去体格不佳.
He is physically unfit for this kind of work.
他干这种工作身体不行.
He was considered unfit to hold office because of moral turpitude.
为了道德上的可耻行为,他被认为不适担任公务员。