那封信激励我行动起来。

I was spurred into action by the letter.

《牛津词典》

收到他的信之后，我们正采取行动。

We are taking action, having been in receipt of a letter from him.

《柯林斯英汉双解大词典》

他们很快就会收到一封信，通知他们在2月底前必须采取行动，否则将面临可能包括解散在内的法律后果。

They will shortly receive a letter informing them that they have until the end of February to act, or face the legal consequences—which could include being dissolved.

youdao