NOTE1: idea注意发音没有儿化；
NOTE2: He is totally against this idea. 2） Upon my life!
NOTE1: 是个短语，可以放在句前或句末使用；
NOTE2: I assure you of my words. 「世博ＶＯＡ」洗耳恭听，两个句子小菜一碟！ Here is the story. During the summer vacations, some of the college students usually plan not to go back home. They decide to get a part-time job to earn some pocket money or they take an adventure in the rural mountains during the holiday. At the same time, as they have said, they can get some working experience and know more about the society, which will be of great help for their future work. Unfortunately, the teachers are often up in arms against their ideas. They say that it is not safe to leave them alone at school during the vacation. Even if they swear upon their lives, the school won't allow them to stay on campus for the sake of safety. But in my opinion, the school may have a try. Anyhow, they are grown-ups. 1） He is up in arms against this idea. 他强烈反对这个主意。
2） Upon my life! 我敢断言（担保）！ 「请你猜猜看」挑战自我，情景抢答也刺激！ Here are three situations: S1. Do you think it is a good idea to let a seven-year-old child walk across the road by himself? S2. -I say you are the only one in my heart.
-Maybe you are trying to flatter me. Can you swear? S3. We are totally different. In our opinion, we all think it is the most effective way to solve the problem of laid-off workers. From this sentence, can you tell me what's their opinion?