unsuited

1. ADJ If someone or something is unsuited to a particular job, situation, or place, they do not have the right qualities or characteristics for it. (工作、情形、地方)不適合的[oft ADJ 'to' n/-ing]

He's totally unsuited to the job. 他完全不適合這份工作。

2. ADJ If two people, especially a man and a woman, are unsuited to each other, they have different personalities or interests, and so are unlikely to have a successful relationship. (男女個性、愛好)不合適的[oft ADJ 'to' n]

By the end of that first year, I knew how totally unsuited we were to each other. 第一年年末的時候，我就知道我們彼此完全不合適。