1.involved in 卷入;涉及
例句:They have been involved in a campaign of deceit.
他们参与了一系列的欺骗活动 。
2.You bet 没错
例句:You bet I did! He is my neighbour.
当然了!他是我的邻居 。
3.Social Security 社会保险
例句:Families on social security benefits will be harshly affected.
依靠社会救济金生活的家庭将受到严重的影响 。
4.background check 背景调查
例句:A background check is normally a preliminary to a presidential appointment.
总统任命前通常要进行背景审查的准备工作 。