Carry this bag—it's the lightest.

你拿这个包—它最轻。

《牛津词典》

Didi, could you help me with this bag?

大姐，帮我抬一下这个袋子好吗？

《牛津词典》

This bag was left behind after the class.

这个书包是有人下课后落下的。

《牛津词典》

This expression makes the person left holding the bag responsible for an action, often a crime or misdeed.

VOA: special.2009.01.25

But you're starting to really feel concerned about this old woman, so you say, "Let me hold your bag."

但是你开始为她担心了，于是你说，“Let me hold your bag.”

Let me 课堂 - SpeakingMax英语口语达人

Literally bursting at the seams, this bag contains every single free item we've collected throughout the entire show.

ENGADGET: blogger-avatar

This bag is best suited for colder climates as it is a 15 degree bag.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

Also, the high thread count was obvious and we did not want to stop touching this bag.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews