1. 他吓得直哆嗦，就好像看见了鬼一样。 He was shaking with fright as if he had seen a ghost. 2. 面对这个客商，他感到好像是在对牛弹琴。 With this customer, he felt himself, as it were, casting pearls before swine. 3. 他好像是个永远年轻的小伙子。 He is, as it were, an eternal boy. 4. 她当时看起来好像什么事都没发生似的。 She looks as if nothing had happened to her.
答：1.石拱桥的桥洞成弧形，就像虹。 （ 打比方，可以使要说明的对象形象可感。 ） 2.唐朝的张嘉贞说它“制造奇特，人不知其所以为”。 （ 引用说明，可以增加文章的...详情>>
答：详情>>
