重点讲解：
1. tie the knot
结合；结婚；
eg. I really want to tie the knot this years and start a family.
我很想今年结婚，组织一个家庭v1F@J.onQ9o。
eg. We have decided to tie the knot next month.
我们已决定下月结婚cj.K+a+r;;l。
2. search for
搜寻；搜索；搜查；寻求；
eg. Police are searching for the culprits.
警方正在搜捕罪犯Mibt5S5=Pu。
eg. So I must step out to search for my future.
我要出去寻找我的未来Um]2.W3[MjR~#|。
3. either...or...
（表示在两者或多者中择其一）或者，要么；
eg. Most drugs offer either no real improvement or, at best, only moderate improvements.
大多数药物要么不能使病情真正好转，要么最多只能带来轻微的改善VO&YJAjvrg。
eg. Study is like sailing against the current ; either you keep forging ahead or you keep falling behind.
学如逆水行舟，不进则退k]0fQixvmC+#&。
4. look forward to sth./doing sth.
期待；盼望；
eg. With something to look forward to she could afford to tolerate and respond.
心里有了奔头，容忍一点和敷衍一点都没有关系&4N+&P=zHgV8。
eg. Also, I look forward to seeing my grandparents and my friends.
我也盼望着去看望我的祖父母和我的朋友Poed1O4HSh(iikLNN。