重點講解：
1. hang out
閑逛，逗留；
eg. I often used to hang out in supermarkets.
我過去經常在超市里逛個沒完Ar^2f!xk8v(9EB[。
We can just hang out and have a good time.
我們可以只是閑逛一下，開開心]*x4(hHRnGXO3ccCE;D。
2. joke around
開玩笑；鬧著玩；
eg. John wanted to talk turkey, but Jane just wanted to joke around.
約翰想談正派事，可是簡只想鬧著玩Z]+*m!=~j&PaU4eIl。
eg. If one of us can laugh and joke around, the angry mood lifts instantly.
如果有一個人能發出笑聲，開一開玩笑，憤怒的情緒便會立刻消散fIh+dj7pWKmfj38d)。
3. play pool
打臺球；打桌球；
eg. Jay likes to play pool at the bar.
杰伊喜歡在那家酒吧打美式臺球=^0eSZps#D[5e。
eg. Whether you can play pool well depends on your mentality and experience, so is giving a speech.
你是否能打好臺球取決于你的心態和經驗，演講也是一樣Nw.~P66rPs。
4. start out
起初；開始；
eg. What started out as fun quickly became hard work.
起初好玩的事很快就變成了艱苦的工作(vO3k,;69cX(B7R。
eg. The child'll start out by making relatively few distinctions in the language.
孩子開始時不太能辨別語言中的差別|W03pF37b8cDXE2M)QOa。