表示反对：指以手势表示不同意或反对。
贬低：指对某人或某事物持贬低的态度或评价。
vote against
同义词： vote down
... turn down a bed 把床罩掀开一部分... turn thumbs down 表示反对(贬低)... turn down 调低 ...
Extend your elbows fully and reach up through your pinkies so your thumbs turn slightly down toward the crown of your head.
通过小手指的伸展来达到肘部充分伸展向上，大姆指轻轻地转向头顶的方向。
Any referendum, which Mr Blair will insist on holding, will face the problems of a low voter turn-out and a potential thumbs-down.
ECONOMIST: Why the North-West is getting keener on a regional assembly