1. back off 撤销；退出；收回
Phil Jackson even said he was "uncoachable" , although I'm guessing PJ would back off that statement now.
菲尔·杰克逊甚至曾说过科比“不可调教”，我想，如今他恐怕要收回这言论了]^zX8;U[qp=kb。

2. act on sth. 按照……行事
If you think something isn't right for your child, act on your instinct.
如果你觉得孩子的行为欠妥，那你就应听从你的直觉e3!m67I9X&ks(|。

3. set sb. up for disappointment 让某人失望
Be reasonable or you'll set yourself up for disappointment.
理智点，否则最后你只会让自己失望的Lj_0~%;p|66q。

4. briefed on sth. 知情人士
One of GM's leading options for Saab is to simply kill it, one person briefed on the matter said.
一位知情人士说，通用汽车对萨博的首选之一是“毙”掉萨博0Zlgb;q(LTEJW3J。