•Fall on deaf ears (idiom) -
If a suggestion or warning falls on deaf ears, no one listens to it.（被置若罔闻）
1.Their appeals to release the hostages fell on deaf ears.
2.Tragedy could have been prevented if the warnings hadn't fallen on deaf ears.
•Be bound to (be/do sth) (idiom) -
Certain or extremely likely to happen.
1.You're bound to feel nervous about your interview.
2.No matter what they say, she is bound to run for mayor.
•Sail under false colors (idiom) -
To operate using or under the guise of false pretenses, so as to deceive someone or to hide one's true nature or intentions.（挂羊头卖狗肉，蓄意诱骗）,
1.You are not who you seem to be. You are sailing under false colors.
2.This report sails under false colours. The author had reached his basic conclusions long before he even began gathering any fresh evidence.
•Fawn on *** (phrasal verb) -
To excessively praise and flatter someone.
1.You're not going to get ahead by fawning on the boss like that.
2.I hate waiters who fawn on you.
•Back on track (idiom) -
Going in the right direction again after a mistake, failure, etc.（回到正轨）
1.I hope we can have this project back on track by the end of the week.
2.I tried to get my life back on track after my divorce.