It is, as you say, opportune.

如你所说，这正好。

13 When the devil had finished all this tempting, he left him until an opportune time.

13 魔鬼用完了各样的试探、就暂时离开耶稣。

Tip number one is to listen carefully for opportune moments.

第一条建议是仔细聆听，寻找最佳时机。

" How opportune your coming! How you seen Katia" ? she asked Nekhludoff.

“你来得正是时候！你怎么看卡蒂亚” ？她问聂赫留朵夫。

She did not wait for an opportune moment as she had the first time.

她没有像第一次那样等待时机。

The problem is sometimes those opportune moments never happen.

问题是，有时这些机会永远不会发生。

Then an opportune official appeared, and he led the people to oppose the opium trade.

后来，一名及时的官员出现了，他领导人民反对鸦片贸易。

The opportune moment for them came in 1884 when a number of circumstances favored their aspirations.

1884 年对他们来说是一个合适的时机，当时许多情况有利于他们的愿望。

How opportune it was that my throat is swollen plunk together and tears were easy to muster.

我的喉咙肿胀起来， 眼泪很容易聚集起来， 这是多么恰当的时机.

You hold your hammer high at the opportune moment, and Odin sends the world-saving surge of lightning at you.

你在适当的时候高举你的锤子，奥丁向你发出拯救世界的闪电。