核心句型：
What's the gag?
這里面有什么奧妙？
gag作名詞講有“塞口物”的意思，在俚語里意為“插科打諢或臨場的笑語”。What's the gag? 這句話的正確意思是：“這里面有什么奧妙？”。因此，當美國人說"What's the gag?"時，他/她要表達的意思就是:"What's the secret?"、"What's the trick?"。
情景對白：
Colleague: Shirley, you are always passionate about your job. What's the gag?
同事：雪莉，你總是對工作充滿熱情，這里面有什么奧妙嗎？
Shirley: Well, I always remind myself that everyday is a new start and I can make it.
雪莉：嗯，我總是提醒自己每天都是新開始，我能行。
搭配句積累：
①It becomes more convenient to control.
事情變得更容易掌控了。
②How can you complete the task in such a short time?
時間這么短，你是怎么完成任務的？
③I want to work as efficiently as you do.
我想和你一樣高效工作。
④You are always getting along well with your sulbordinates.
你跟下屬總是相處融洽。
單詞：
passionate adj. 充滿激情的
I'm a passionate believer in public art.
我是公共藝術的狂熱信徒。
He is very passionate about the project.
他對那個項目非常熱心。
His passionate speech had an effect on our emotions.
他的熱情的演講打動了我們的感情。