重点讲解：
1. in fact
（用于修正、引出相反意见或对比等）事实上，其实；
eg. In fact, I think too much, and I should lighten myself of it a little.
事实上我确实想得太多了，我应该让自己放松一点Swl1Q]0TjHo=hP(_[B。
eg. On the surface, this seems like a difficult problem, but in fact there's an easy solution to it.
表面看来这是个难题，实际上很容易解决W_2EB%@M~X。
2. turn down
关小；调低；
eg. I would appreciate it a lot if you could turn down the volume.
如果你将音量关小，我将十分感激Hw8@wYTGx_5V*mrWe。
eg. Please turn down the television.
请把电视机的声音关小ef-8hyJ2gb!-。
3. in public
公开地；当众；
eg. Bylaws are to make it illegal to smoke in public.
地方法规将规定在公共场合抽烟为非法pq-8XS!k7Uo@IK0lZqz。
eg. When teaching or correcting manners, try never to embarrass your child in public.
当教给或者纠正孩子的礼仪时，绝不要当众让孩子难堪lHdT7e[h|%5ma,u(Rb9X。