... do back-breaking work 做艰苦繁重的工作 fall down on the job没有把工作做好 hit the books 用功学习，准备功课 ...
2
?敷衍了事
... walk on air 飘飘然 fall down on the job敷衍了事 be old hat 过时的,老式的 ...
双语例句
1
He falldownonthejob.
他未能做好这件工作。
2
If you falldownonthejob of studying once more, you won't pass this course.
如果你再不认真学习，这门课程就要不及格啦。
3
And the purpose of the public option is to make sure that the industry doesn't waste another 15 years - by giving Americans an alternative if private insurers falldownonthejob.