thumbs down
US /θʌmz daʊn/
UK /θʌmz daʊn/

1.
竖大拇指朝下, 不赞成, 反对
a gesture of disapproval or rejection, made by pointing the thumb downwards
:
•
The audience gave the performance a collective thumbs down.
观众对这场表演集体竖起了大拇指朝下。
•
My boss gave my proposal a big thumbs down.
我的老板对我的提议竖起了大拇指朝下。