I heard someone calling for help.

我听见有人在呼叫帮忙。

youdao

A little girl was calling for help in the river nearby.

一个小女孩正在附近的河里喊救命。

youdao

John saw at least ten people getting out of the bus and heard them calling for help.

约翰看到至少十几个人从巴士里出来，并听见他们呼喊着求救。

youdao

You should act by calling for help, or sending someone else.

VOA: special.2009.08.11

U.S.Defense Secretary Robert Gates is attending this meeting with a similar message, calling for a broad range of additional European help in Afghanistan, even though President Barack Obama has not yet decided whether to send more U.S.troops.

VOA: standard.2009.10.23

He's either noticed that I'm calling for help or has decided that he's scared me enough for one day.

ENGADGET: This is the Modem World: When tech can't save us from road rage

The pair eventually left the flat without calling for help for their victim.

BBC: John Hyndman

Many of these early silent films involved a damsel-in-distress telephone operator calling for help in the midst of a robbery.

WSJ: "Disconnect": From Talkies to Texties