重點講解：
1. happen to do
碰巧；湊巧；
eg. If you happen to be passing by, be sure to step in and have a chat.
如果你正好路過的話，請一定進來聊聊。
eg. I happen to have the official statistics with me.
我碰巧身邊有官方的統計數字。
2. never mind
沒關系；不要緊；沒什么；
eg. I think it's going to cause chaos personally but never mind.
我個人認為它會引起混亂，但是沒關系。
eg. Never mind, we can doss down in the car.
不要緊，我們可以睡在汽車里。
3. show sb. around
領…參觀；帶…巡視；
eg. Would you show me around?
可以帶我參觀一下嗎？
eg. Spear showed him around the flat.
斯皮爾帶他參觀了公寓。
4. in front of
在…前面；靠近…前部；
eg. He stepped in front of her, barring her way.
他走到她前面，擋住了她的去路。
eg. The car pulled in and double-parked in front of the town hall.
車在市政大廳前靠邊并排停下了。
5. hang out
閑逛，逗留；
eg. I'm just going to the mall to hang out with some friends.
我只是要去購物中心和一些朋友閑晃而已。
eg. All of the hip and trendy people often hang out here.
所有時尚名流通常都在這里聚會。