John explained away his unfinished task by showing his boss a certificate for sick leave.

约翰交给上司一个病假条，以此解释他为什么没完成任务。

youdao

This is your sick-leave certificate for a week.

这是你一星期的病假单。

youdao

I've already got your certificate for sick leave. How do you feel today?

我已经看过你的病假单了，你今天感觉怎么样？

youdao

I've already got your certificate for sick leave. How do you feel today?

我已经看过你的病假单了，你今天感觉怎么样？

youdao