We must get up at dawn.

我们必须天一亮就起来。

youdao

We must get up when the day become bright.

我们必须天一亮就起来。

youdao

When daylight comes, we must get up. This is the time for exercise.

黎明一来，我们必须起床。这是锻炼的时间。

youdao

We must get our heads up.

CNN: GOP, play offense in Obama's second term

And when we do, we must back them up with the strategy and the resources and the support they need to get the job done.

WHITEHOUSE: President Obama Bestows Presidential Unit Citation on the Blackhorse Regiment | The White House

Lifelong Learning and Higher Education Minister, Margaret Hodge, said: "We must not tolerate poor quality training, and ensure standards are driven up so that all learners get the training they deserve".

BBC: metalwork class