He had a third examination and was declared unfit for duty.

他做了第3次检查，被宣布不适合上班。

《柯林斯英汉双解大词典》

Am I a simpleton, or am I unfit to be an Emperor?

我是个傻瓜吗，还是我不配做皇帝？

youdao

On the whole, you may be pretty sure, if you go into your garden, and find many flowers — as tulips, marigolds and morning glories — shut, it will be a stormy day, unfit for picnics or long walks.

总的来说，如果你走进花园，发现郁金香、金盏花和牵牛花都合上了花瓣，你可以肯定，这天将会有暴风雨，不适合野餐或长时间散步。

youdao

It has many names--a spotted elephant, a Texas Leaguer and others unfit for a family publication.

FORBES: Life

Accompanied by her boyfriend, Jason Leyrer whom she met at a Red Wings game in Detroit Ms. Bashkatova wore a Red Wings jersey on the bus and spoke of her disdain for the Sharks' teal uniforms, a color she said is unfit for a serious hockey team.

WSJ: Fans of Hockey Rivals Face Off on a Bus Trip

The decision to play a clearly unfit Robbie Keane was a gamble that failed.

BBC: Chick Young's view