This is an opportune moment to remind him.

这恰是提醒他的时候。

youdao

We must pick an opportune moment to wipe out the enemy.

我们要选择适当时机消灭敌人。

youdao

We must pick an opportune moment to wipe out the enemy.

我们要选择适当时机消灭敌人。

youdao