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。

例句

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.

请注意

另一个短语 to thumb through something 意思是随意浏览翻阅杂志书刊。

例句

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.