Heart wasn’t in … 心不在此
She decided to quit; her heart just wasn't in this kind of work. 她决定辞职了,她对这种工作没感觉。
He was studying to be a doctor, but his heart wasn't in it so he decided to follow his real dream and study film-making instead. 他之前一直在学医,但是他心不在那里,所以他决定追随他的真正的梦想然后学习电影制作。
I tired to look interested, but my heart wasn’t in it. 我努力装装样子表现的很感兴趣,但是我真的心不在此。