英文: A crucial problem.
中文: 非常重要的问题英文: Be crucial to sth.
中文: 对……来说是至关重要的.英文: Mutual understanding is crucial to friendship.
中文: 相互理解对于友谊是至关重要的.英文: Negotiations were at a crucial stage .
中文: 谈判正处于一个关键的阶段。英文: Negotiations were at a crucial stage.
中文: 谈判正处于一个关键的阶段。