too..to是:太...以至于不能...He is too young to join the army.not...enough to do sth是:不够...不能...He is not old enough to join the army.He cannot run fast enough to catch me.so... that...是:如此的...以至于...He is so young that he cannot join the a...
He is not tall enough to paly basketball.他不够高来打篮球。He doesn't run fast enough to break the record.他跑得不够快来打破记录。做什么事不够……too……to是太……以至于某些情况下可以和too……to互换给一个例句Heistooyoungtodresshimself.他太小以至于不能自己穿衣。=Heisnotolden...
不好造句。not ...enough结构的意思是“没有(不)足够...去做...。”比如He is not old enough to go to school.他太累以致不能走路用应该是He is too tired to walk further或He is so tired that he can't walk.如果硬要用not...enough to do sth这个句型,只能是He is not energ...
not enough to do ...是“不足以做某事”的意思.当前面否定时,不定式动词的含义也否定了.比如I don’t study well enough to pass the text 我学的不够好,不能通过考试。He is not old enough to go to school.他不够年纪,不能去上学。
you are obviously not hard enough.the line is not long enough the wall is too high,i am not tall enough to reach it's top