光线疗法较费时并需固定使用.

Light therapy does take time, and regular use.

虽然卫生系统会调整到使用阿莫西林来治疗儿童肺炎，然而这也是很费时费力的。

Although health systems are gearing to change to amoxicillin for the treatment of childhood pneumonia, this will take time and considerable resources.

我的作品一般都比较费时。

Usually, my works take a long time to create.

评价设计既费时又费力.

Design evaluations are time consuming and laborious.

不过，这份作业相当费时。

But the homework was taking a long time.

这是一项既费时又艰难的工作。

This is hard work, and it takes time.

实物样品运输费时且昂贵。

Transporting physical samples can be time consuming and expensive.

若打完再东转,又劳师费时.

To turn east again after the battle would tire our troops and waste time.

对许多用户来说这样太费时了。

This may be too time-consuming for many users.

执行可能很困难和费时的工作。

Implementation can be difficult and time-consuming.