The line is busy—I'll try again later.

占线—我过会儿再打。

《牛津词典》

Don't give up! Try again later.

不要放弃。以后再试试看。

youdao

B: Don't give up. Try again later.

别灰心。以后再试试看。

youdao

Six weeks and six failed attempts later to contain the worst oil spill in US history, BP says it will try again.

VOA: standard.2010.05.31

And don't ask me that again after I just try to ride the subway later today.

我只想今天晚点去坐地铁，别再问我这个问题了。

纽约的交通手段 - SpeakingMax英语口语达人

Phone calls to AIJ's office in central Tokyo were automatically routed to an answering machine asking callers to try again later.

WSJ: Japanese Fund Loses $2.3 Billion

Prop Andy Coley went over the try-line in the 64th minute with Richards again on song but a try from Sebastien Raguin three minutes later maintained the lead for Michael Potter's side.

BBC: Catalans 45-38 Wigan

At 43, the War of the Worlds star will try again with Mission Impossible III, which hits theaters later this year.

FORBES: The World's Best-Paid Actors And Actresses