1.on the go：on the move; constantly busy or active　忙个不停的；在忙碌中；不断处于活动中
Julia is a workaholic, and she keeps herself on the go all day long.
朱丽亚是个工作狂，她一天到晚忙个不停。
2.from dawn to dusk：从早到晚
The farmers are busy planting trees from dawn to dusk.
农民从早到晚忙着植树。
3.burn the midnight oil：work or study very late at night　熬夜；工作或学习到深夜
The students worked very hard, burning the midnight oil in order to enroll in an elite college.
这些学生们为了考上好大学挑灯夜战。
4.lift one's spirits：to cheer someone up, to increase another's enthusiam 使……扬眉吐气；鼓起某人的干劲
My spirits were lifted by the compliment.
赞扬之词鼓起了我的干劲。
5.take it easy：go easy　从容, 不紧张, 轻松
I know you are confronted with a dilemma, but just take it easy. We can find a way out.
我知道你陷入了进退两难的局面。慢慢来，别着急。 无论如何我们会有办法的。
6.gripe about：抱怨；发牢骚；诉苦；挑毛病
He's griping about his income tax again.
他又抱怨所得税了。