never/ˈnevə(r)/
adv.1. 从未；永不；决不I have never been there.我从未到过那里。
He never has anything to do.他一向无所事事。
Television has been popularized as never before.电视已经空前普及。
I never catch anything - not even old boots.我从未钓到任何东西--连旧靴子也钓不着。
That will never do.那决不行。
2. 不，不要Never too Old to Learn is an idiom.'活到老学到老'是句成语。
Never offer to teach fish to swim.(谚)不要班门弄斧。
Never fear!别怕！
This shirt will never do!这件衬衫不能穿！
She never said a word the whole two hours.整整两个小时她一句话也不说。