在旨在结束战争的长期斗争中，我们是惟一愿意首先采取行动的国家。

We are the only power willing to take the initiative in the long struggle to end the war.

《柯林斯英汉双解大词典》

你应该首先采取行动。

You should take action first.

youdao

当然，难免会有坐等他人首先采取行动的想法。

Certainly, it will be tempting to sit back and wait for others to move first.

youdao

So in that sense, they should be the first to take action, no question.

所以从这一点来说，毫无疑问他们应该首先采取行动。

全球变暖和发达国家 - SpeakingMax英语口语达人