Make sure that there is adequate ventilation in the room before using the paint.

在使用油漆前确保室内通风充足。

《牛津词典》

Please read the directions before using.

使用前请仔细阅读说明。

youdao

youdao

These directions should be read and understood before using any equipment that burns fuel inside a home.

VOA: special.2010.02.02

The body of that function looks exactly like the computation up above, except I'm simply using those in place of the specific message I had before.

方法体内部看起来,很像上面的计算过程,除了我用这些来替代了,原来的那些特殊信息。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I'm using the same kind of tricky language that we'd used before, not to trick you, but so that you're not tricked in the future.

我这次用了和以前一样,迷惑性的语言，不是为了迷惑你们，而是,让你们以后不会被迷惑。

麻省理工公开课 - 化学原理课程节选

Ch Insp Jill Harper has urged people to check cash machines "very carefully" before using them.

BBC: Card skimming warning for Fife cash machines

Before using Hirzl gloves, Mangan was going through a glove an hour, Sheppard said.

FORBES: Hirzl Making a Case with Kangaroo Leather Glove

Likewise, traders should understand the mathematical concepts behind options before using them as a trading vehicle.

FORBES: Mark Sebastian Emphasizes Importance Of Understanding Math Behind Options