never: adv.1.〔ever 的否定形式；加强否定语气；用于句首时，主谓语次序倒装〕决不，永不；从来没有，一点也不。2.〔口语〕〔表示怀疑或惊异〕不会…吧；不，没有；不要。短语和例子I never met him before. 从来没见过他。 He is never at home on Sunday. 星期日他从不在家。 He has never been heard of
if: 短语和例子If they had only arrived earlier! 要是他们当初早点来就好了。 as if 活像 ( as if he had seen it 活像他见过似的)。 if a day [an inch etc.] 无论如何应该是…；至少有… ( He is seventy if (he is) a day (old). 他该有七十岁了。 The en
