Good manners should be observed whether one eats in a restaurant or at home.

不论在餐厅还是在家吃饭，都要讲规矩。

youdao

Avoid giving medications to fish at night, because they should be observed for several hours after administering.

在下药几小时内需要观察生物的情况，因此尽量避免在晚上用药。

youdao

So, even after treatment, pregnancy should be observed 3 to 6 months without recurrence of the lesion can be sure.

所以，即使治疗愈后，也要观察3到6个月肯定无复发的病损后才能怀孕。

youdao

The provisions of the Iraqi Antiquity laws should be observed on the site of Babylon.

UNESCO: OFFICE FOR IRAQ

It is a legally constituted body and its rulings should be observed.

BBC: Urgent talks called after Belfast parade trouble

They have worked out the exact amount of extra speed that should be observed when they analyse the data from a slingshot last November, which involved a craft called Rosetta.

ECONOMIST: Physics