I want to know when he can finish this task.

我想知道他什么时候能完成这任务。

youdao

Here is an alternative, "I'm not sure this task is the first one I would pick, but I know the challenge will be good for me."

这有个选择，“我不确定这个任务是我们首先做的任务，但是我知道这个机会一定对我有好处。”

youdao

Here is an alternative, "I'm not sure this task is the first one I would pick, but I know the challenge will be good for me."

这有个选择，“我不确定这个任务是我们首先做的任务，但是我知道这个机会一定对我有好处。”

youdao