the scales fall from someone's eyes

someone is no longer deceived

不再受騙

throw something on (或 into) the scale

emphasize the relevance of something to one side of an argument or debate

使在辯論中起重要作用；使在辯論中成為有利因素

we should have thrown on the other scale all that was moderate in the Liberal Party as well.

我們本來還應該突出自由黨溫和的一面，以取得優勢。

tip (或 turn) the scales

we should have thrown on the other scale all that was moderate in the Liberal Party as well.

我們本來還應該突出自由黨溫和的一面，以取得優勢。

play (或 sing 或 practise) scales

(Music)perform the notes of a scale as an exercise for the fingers or voice

(樂)練指法；吊嗓子

to scale

with a uniform reduction or enlargement

按相同比例縮小（或放大）

it is hard to build models to scale from a drawing.

很難根據圖片按比例制作模型。

in scale

(of a drawing or model) in proportion to the surroundings

（圖，模型）（與環境）協調，成比例

scale something back

(chiefly US)reduce something in size, number, or extent

(主美)相應縮減

in the short term, even scaling back defense costs money.

在短期內，即使縮減防御也要有很多開支。

scale something down (或 scale down)

reduce something (or be reduced) in size, number or extent

相應縮減

manufacturing capacity has been scaled down.

制造能力已經相應縮減。

his whole income scaled down by 20 per cent.

他的全部收入減少了20%。

scale something up (或 scale up)

increase something (or be increased) in size or number

相應增加（或擴大）

one cannot suddenly scale up a laboratory procedure by a thousandfold.

我們不可能將實驗過程一下子擴大1,000倍。