unsuitable

/ənˈsutəbəl/

not meant or adapted for a particular purpose

中文释义：不合适的；不适宜的；不恰当的

The soil in this area is unsuitable for growing crops because it lacks essential nutrients.

这个地区的土壤不适合种植作物，因为它缺乏必要的养分。

His casual attire was considered unsuitable for the formal business meeting.

他的休闲着装被认为不适合正式的商务会议。