讲解：
used to sth / to doing sth
习惯于；适应:
I'm not used to eating so much at lunchtime.
我不习惯午饭吃那么多。

as quickly, much, soon, etc. as possible
尽量快(或多、早等):
We will get your order to you as soon as possible.
我们将会把您的订货尽早送达。

struggle (to do sth)
难事
It was a real struggle to be ready on time.
要按时做好准备确非易事。

have difficulty doing sth
艰难；困难；费劲；辛苦:
I had considerable difficulty (in) persuading her to leave.
我费了好大的劲想说服她离开。

fill up (with sth) | fill sth up (with sth)
充满；(使)填满；装满:
The ditches had filled up with mud.
沟渠中塞满了淤泥。

be available
可获得的；可购得的；可找到的:
Tickets are available free of charge from the school.
学校有免费票。

wrap A (up) in B | ~ B round / around A
用…包裹(或包扎、覆盖等):
I wrapped a blanket around the baby.
我用毯子把婴儿裹了起来。