at most

• 充其量只能指望...

  at best we can only hope that...

• 充其量再多费几天时间。

  It only needs another two days at most.

• 这个工作充其量有三天就够了。

  It should take no more than three days to finish the job.

• 这充其量不过是三两天的问题。

  This needs only two or three days at the outside.