1.The reverse is also true:反之亦然

2.Tie up with/busy with

3.Tired of/get bored of

4.Under the weather:身体不舒服

5.Well-off/rich people

6.White elephant:无价值的东西，废物

7.White lie:善意的谎言

8.You bet :当然

9.Take one’s time;从容不迫

1.Take one’s word:./believe in sb./trust sb.