News is starting to trickle out.

消息渐渐传了出来。

《牛津词典》

At first the hall was full, but people began to trickle out soon after the beginning of his speech, and soon there were very few left to hear the speaker.

起先，大厅里挤得满满的，但是他一开始讲话，人们便陆陆续续离去，不一会儿，剩下听他发言的人便寥寥无几了。

youdao

Obviously there's a trickle effect out into the economy so there's a loss of jobs as a result."

VOA: standard.2010.03.18

Details are starting to trickle out that as SS188 nears completion it is showing great promise.

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But just as quickly, growth cooled, and users have begun a slow trickle out of the game.

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So the agency will prefer to trickle out its policy slowly, one Warning Letter at a time.

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