Let me give you a piece of advice.我得提醒一句

今天的几个句子是有关提醒的：1.Watch out for him! 要提防着点儿他！2.It's not as easy as it sounds. 并不像听起来的那么容易。3.Please go easy on me. 手下留情。4.Let's not go overboard. 不要做得太过火。