Câu 1: Despite his well-paid job, he still lives in poverty
=> Though.... he has a well paid job, he still lives in poverty....
ta có cấu trúc ngữ pháp : though + clause, main clause
Câu 2 : You'll have to put on smart clothes at the wedding party ( up )
=> You'll have to dress up at the wedding party.
vì put on smart clothes cùng nghĩa với dress up có nghĩa là ăn mặc lịch sự , bảnh bao
Câu 3 : The cost of living has been increasing in the past few weeks ( up )
=> The cost of living has been going up in the past few weeks.
vì increase cũng nghĩa với up có nghĩa là tăng trưởng về 1 vấn đề gì đó