They must stick to an early morning in the post every day so, without exception.

他们必须每天早上早早就坚守在岗位上，天天如此，无一例外。

youdao

Often their knowledge of English is so limited that they must stick to a fixed text, which they recite by rote.

他们的英语往往很有限，乃至离不开需要死记硬背的书面材料。

youdao

But the cleaners must resist thistemptation if they want their dinner to stick around.

但是，如果清洁鱼想留住它们的正餐，就必须抵制诱惑。

youdao

Particles must be just the right size:too big and they will stick to the throat, too small and they get exhaled right out.

FORBES: Waiting to Inhale

For their part, the Palestinians must still, if they are to have a chance of making a deal stick, strive for unity.

ECONOMIST: Israel and Palestine

But they have all insisted that, while more can be done to stimulate economic activity, the coalition must stick by its target of eliminating the deficit over the next four years.

BBC: Lib Dem conference: Cable likens economic crisis to war