A: We've got to tighten our belt for the next month if we want to make the trip to Los Angeles.

A：如果我們想去洛杉肌旅行,下個月就要省吃儉用了。
B: Oh, yeah, it's my dream to visit the city.
B：哦，沒錯.去洛杉磯旅行可是我的夢想。

A: Since you're not working and my salary is the only income source of this family. We've got to tighten our belt.

A：由于你沒工作，我的收人是這家的唯一的經濟來源。我們得省吃儉用。
B: Sorry, honey, I promise I'll find a job soon.
B：真對不起，親愛的，我保證盡快找到工作。
重點講解：
We've got to be thriftier.
We've got to tighten our belt.
手頭緊時，就要省吃儉用了，We've got to be thriftier. 雖然能表達此意，但是口語中更常見：We've got totighten our belt.這個說法，字面意思就是"勒緊褲腰帶"，這一點和中文的表達很相近。