If you're a mechanic, tell me what to watch for to keep my buggy running smooth.

如果你是个技师，告诉我要想保持我的车运行平稳需要注意些什么。

youdao

Hoister running smooth, it can be upgraded to reach a higher height.

提升机运行平稳，因此可达到较高的提升高度。

youdao

They are introducing new measures to ensure the smooth running of the business.

他们正采取新措施，以确保公司平稳运转。

《牛津词典》

On the counter it rests like a block of sculptor's clay, running smooth and firm under the fingers.

WSJ: High on the Hog

And they include Admiral Stephen Rochon, who wore the uniform for 36 years, then became the Chief Usher at the White House, responsible for keeping us running smooth, day in, day out.

WHITEHOUSE: U.S. Coast Guard Academy Commencement

And I very much thank particularly the Ranking Member and the Chairman of the Judiciary Committee for running a smooth process.

WHITEHOUSE: President Obama at a Bipartisan Meeting on the Supreme Court | The White House