It was not a propitious time to start a new business.

那不是营业开张的吉时佳日。

《牛津词典》

Her first proposal would have to be deferred to a more propitious time and a more eligible suitor.

她的第一次求婚应当推迟到一个更为吉利的时辰，求婚人也必须更为可取。

youdao

I know many people will say we were successful because we used this new type of IVF, but I also like to think we chose a propitious time.

我知道很多人认为我们之所以成功，是因为采用了最新的人工受孕技术，但我还是认为我们选择了一个正确的时间。

youdao

The Lib Dems are also unlikely to enjoy again as propitious a set of circumstances as those surrounding the last election.

ECONOMIST: Nick Clegg's turbulent early months as leader

The circumstances were propitious for a party of right-wing protest.

ECONOMIST: Pierre Poujade

"This is a propitious beginning, " says Aswini Ray, a political scientist at Delhi's Jawaharlal Nehru University.

CNN: Hope in the Himalayas