Carry this bag—it's the lightest.

你拿这个包—它最轻。

《牛津词典》

I can't carry this bag.

我不能拿这个包。

youdao

Who can help me carry this bag?

谁能帮我拿一下这个袋子？

youdao

Passengers are being encouraged to check ahead with their airlines, to arrive an hour earlier than normal and to bring only a single carry-on bag with them.

VOA: standard.2009.12.27

Some Guayaquil schools asked the police to carry out bag inspections and do checks with sniffer dogs.

BBC: Ecuador student's death highlights school drugs problem

Yes the caddies carry the bag and give advice, but almost anyone with a solid knowledge of golf could do those parts of their jobs.

FORBES: Tiger Woods' New Caddie to Replace Steve Williams? Get Your Bets In

But buy your tickets at FlyFrontier.com and the carry-on bag is included in the airfare.

WSJ: Some Apps to Pack for Your Summer Travels