There is still room for improvement in your work.

你的工作尚有改进的余地。

《牛津词典》

There was plenty of room for improvement.

还有很大的改进空间。

youdao

My ninth-grade art teacher doesn't give any grade above 94% because, she says, "There's always room for improvement."

我九年级的美术老师不会给分高于94分，因为她说：“总有进步的空间。”

youdao

Commenting on the report, former head of the British army General Michael Jackson says he believes the committee is trying to stress that there is room for improvement.

VOA: standard.2009.08.02

The failed terror bomb plot constitutes Mr.Obama's most serious national security test to date, and the president has been quick to acknowledge that there is plenty of room for improvement.

VOA: standard.2010.01.06

But new research indicates there is room for improvement.

VOA: standard.2010.06.04

"On the corners and on the margins there's still room for improvement, " he said.

CNN: Santiago: South America's Silicon Valley?

There are major ramps in things like mobile and search, where we have room for improvement.

FORBES: Intelligent Technology

In particular, I see room for improvement in both the medium and the message.

FORBES: The Marketing of Politics: Time to Change the Medium AND the Message