| to do the heavy lifting |
承担任务中最重的部分（成语） |
(IDIOM) To do the most strenuous portion of a task involving other people. |
EXAMPLE: While there were more than a dozen people involved in the software development project, the chief engineer did the heavy lifting.
尽管软件开发部门有十几个人，但首席工程师承担了最重的活儿。 |
