After some time I started receiving a steady trickle of letters.

过了一段时间，我开始不停的收到一些回信。

youdao

Millions abandoned the city at Chinese new year in late January and a steady trickle continues.

去年一月底的春节期间，有几百万人离开了深圳，而零星的返乡持续不断。

youdao

So, even under normal situations, the gene flow among the subpopulations is more of an intermittent trickle than a steady stream.

所以即使在正常条件下，这些亚物种间的基因流动也更像是一条断断续续的细流，而不是一条不停流淌的小溪。

youdao

The flow of press releases that had already slowed to a steady trickle is now more drip ... drip.

BBC: Holiday reading? Look away now.

But limited as it may be, the malware continues a steady trickle of new cybercriminal exploits targeting Android.

FORBES: Pay-Per-Text Malware Hits Android Phones

There has been a steady trickle of embarrassing, prominent cases.

ECONOMIST: The beginning of the end of the longest-ruling party | The