重点讲解：
1. regardless of 不顾；不管；不论；
例句：We will do it regardless of what might happen.
不管情况怎样，我们决意这样做F!W9Kz3(n*K2Qa[[D(。
2. hang out 闲逛，逗留；
例句：We usually hang out in the common after class.
我们放学后通常会在广场上消磨时间R&Lhtu|Xr*Jctr)C]oEZ。
3. as long as 只要；
例句：Surely I will, as long as it's of good quality.
只要质量好，我当然愿意spN,zD(+s*Key@I#。
4. opt out 决定退出；决定不参加；
例句：I think I'll opt out of this game.
我不想参加这场比赛mbM^n=ccx5A_#4k0Qi。