When you come to a closed door, check it with the back of your hand.

当你走到一扇关着的门前时，用手背检查一下。

youdao

Check for wrist or finger movement, there should be none with back tension.

检查手腕或手指的活动，那不应有背部紧张的情况。

youdao

I put a check in the envelope and taped it back to the bin.

我把一张支票放在信封里，并把它粘回垃圾箱上。

youdao

All high schools, as opposed to just some, also will now receive their students' test scores, allowing for a "back-end check, " Ms. Rice said.

WSJ: College Tests Get New ID Standards

Sorry, we don't have pictures but Apple took us into a dramatically lit back-room to check out the new iPhone 3G.

ENGADGET: iPhone 3G hands-on Hands-on

The president details a number of enforcement actions aides call significant and in some cases unprecedented, including an SEC request that more than 900 major companies go back and double-check the veracity of their financial statements, senior officials tell CNN.

CNN: Bush to propose jail time for corporate misconduct