Though no word was spoken, both knew what must be done.

虽然没有说话，但两人都知道必须要做什么。

youdao

He and I both knew what the deal was, and we didn't talk about it.

他和我都知道那是什么交易，但我们没有谈过。

youdao

youdao

He had guided the flight. Both men knew they had made the flight as a team.

VOA: special.2009.03.18

Though she knew even less about radios than about southern Californians, there were to both outward patterns a hieroglyphic sense of concealed meaning, of an intent to communicate.

映入她的眼帘，虽然她对于收音机的了解,比对南加州的还要少，不过这两者都有一种,如同象形文字的意味，有一种隐蔽的，想要沟通的意图。

耶鲁公开课 - 1945年后的美国小说课程节选

so I knew him both personally and I knew him professionally.

我们在私底下以及工作上都比较了解。

写推荐书的人 - SpeakingMax英语口语达人

He laughed and said that I passed on my own though we both knew the truth.

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They both knew their respective banks would be downgraded, so they were getting their defence in early.

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They both knew where she worked, of course, and could find her there.

NEWYORKER: Shauntrelle