efficient有效率的
effective有效果的
Make sb. Do
Stuff没有复数
首先的三种表述：First off=To begin with=For starters
其次：Additionally
最后：Lastly
boost the motivation激发参与
Loosen up=relax=Temporary escape=let go of =release
undemanding 降级低级
Chance are (high)that
Have no clue=have no idea
Be passionate about=be interested in
Tedious =boring
pupil小学生
Field =realms
Devote sb. to do
Developing = which helps develop结果状语
Obesity n.=overweight adj.
It is known for众所周知
regular meals正餐
brings about a rise in=increase
overwhelmed by piles of 重担
demanding 要求的