The battle had reached a crucial juncture.

战斗已到了关键时刻。

《牛津词典》

At this crucial juncture he lost his head and made a serious mistake.

就在这关键时刻，他头脑发昏，犯了严重的错误。

youdao

So if you tamper with that system at such a crucial juncture you're only creating more problems.

因此如果你在这个关键的时机打乱了这一系统，你就是在制造更多麻烦。

youdao

At every crucial juncture -- at every fork in the road -- we have been there for Israel.

WHITEHOUSE: President Obama at 2012 AIPAC Policy Conference

Apple lost its iconic, visionary, much-celebrated CEO Steve Jobs earlier this month at a crucial juncture for the business.

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