短语 to give something the thumbs up 竖起大拇指，意思就是赞成同意一件事情。
- Daisy's cake was delicious – I'd definitely give it the thumbs up.
- Wait until I give the thumbs up before you send that email to head office.
- The boss just gave me the thumbs up to take three days off next week.
值得注意的是，另一个短语 to thumb through something 意思是随意浏览翻阅杂志书刊。
- I was in a rush so I only got to thumb through your novel on the train.
- At the hairdresser's salon, Helen enjoyed thumbing through their selection of magazines.