unsatisfying

The ending of the movie was unsatisfying because it left many questions unanswered.

用法提示：形容词作表语，说明“结局”不能给人带来满足感。

I found the explanation unsatisfying, so I asked for more details.

用法提示：此处“find + 宾语 + 形容词”结构，形容词说明宾语的特点。

It was unsatisfying to spend so much money on such a small portion of food.

用法提示：形容词用在“It is + adj. + to do”句型中，表达对某事的评价。