I sent messages to her, but no reply.

我给她发信息，但是没有回复。

youdao

I waited day after day, but no reply came.

我等了一天又一天，但没有得到答复。

youdao

They heard the engines work, then echoes of words. "Please help us," Arnel shouted. "We're still alive." But no reply was heard.

他们听到发动机的声音和人们的谈话声。“救救我们，”阿恩尔大声叫道。“我们还活着。”但是没有人应答。

youdao

But no.As in every census, some people just don't reply and illegal immigrants mostly avoid census-takers.

VOA: standard.2010.02.03

The BBC tried to contact the protesters, but received no reply.

BBC: UK Coal say Wrekin protesters 'peacefully' evicted

The outcome was unclear, a council official saying he sent a letter to the government but got no reply, while other residents doubted a letter was ever sent.

WSJ: On Terror's New Front Line, Mistrust Blunts U.S. Strategy

He said he woke up just before 0330 GMT to discover his partner had not returned to their Westmorland Road flat, so he sent her a text message but received no reply.

BBC: Boyfriend's appeal for missing Swindon nightclub woman