1550s, "not having necessary qualifications, from un- (1) "not" + past participle of qualify (v.). Meaning "not modified or limited" is recorded from 1796. As a verb, unqualify "disqualify" is from 1650s.
权威例句
1. Unqualified members of staff at the hospital were not sufficiently supervised.
医院里一些还未取得资格的员工没有受到充分的督导。
2. She was unqualified for the job.
她没资格做这份工作。
3. Egypt has given almost unqualified backing to Washington.
埃及几乎全力支持华盛顿。
4. I feel unqualified to comment on the subject.
我觉得没有资格对此事发表意见。
5. I am quite unqualified to talk on this subject.