核心句型：
Lay off!
閉嘴，別再講了！
lay off我們最常用的意思是“解雇”，但是lay off在口語中也經常表示“閉嘴，夠了，別再說了”。如果你對某人或者對他/她所在意的事情說了些不客氣的話，然后他/她說"Lay off!"時，他/她要表達的意思就是:"Shut up!"、"Button your lips!"、"Zip your mouth!"。
情景對白：
Benjamin: I think you'd better think twice over the project. It has certain risk.
本杰明：我勸您再考慮一下這個項目，它存在一定的風險。
Boss: Lay off! I don't need you to tell me what to do!
老板：別再講了！我不需要你告訴我怎么去做！
搭配句積累：
①I am the boss, and I have the final say.
我是老板，我說了算。
②I have my own discretion.
我自有分寸。
③You've got to suffer a little to be successful.
不經歷風雨，怎么見彩虹。
④OK, that's final.
好的，就這么著了。
單詞：
1. lip n. 嘴唇
Wade stuck the cigarette between his lips.
韋德把香煙叼在嘴里。
We swallowed the chocolates in one gulp, licking our lips.
我們一口吞下了巧克力，滿意地咂著嘴。
Stop teasing me or I'll give you a fat lip!
別取笑我了，否則打爛你的嘴！
2. discretion n. 判斷力
We are his witnesses.we count on your discretion.
我們是他的證人。我們相信你的判斷力。
This committee may want to exercise its discretion to look into those charges.
這個委員會可能想行使其自行決定權來調查那些指控。
School governors have the discretion to allow parents to withdraw pupils in exceptional circumstances.
學校管理者有權允許家長們在特殊情況下讓學生退學。