He was a poor performer at school and left with no qualifications.

他在校学习成绩不好，没有毕业就离开学校。

《牛津词典》

He has no qualifications for the post.

他没有资格担任该职位。

youdao

He had no qualifications; nevertheless, he got the job.

他没有资格；尽管如此，他得到了那份工作。

youdao

In the 1970s, he said, a majority of people in the jobs market had no qualifications.

BBC: 'One in four people' in education

In most states, the job requires no qualifications, no training, no background check, and no licence of any sort.

ECONOMIST: Bounty-hunters

He failed his 11-plus, left school with no qualifications, and joined the Merchant Navy for four years "to see the world".

BBC: BA strike: The three men trying to find a solution