heart is not in something

(idiom) uninterested in something, unenthusiastic about something

Example Sentences:

Jeanette’s heart was not in her presentation. I’d like her to do it again.

My best friend’s heart was not in his attempt to help me move into my new apartment.

From the Blogs:

I’m a professional cynic, but my heart’s not in it

Media:

Similar idioms:

1. half-hearted
2. half assed
3. heart to heart
4. heart goes out to someone
5. know something by heart
6. learn something by heart
7. change of heart
8. wear one’s heart on one’s sleeve
9. have one’s heart in one’s mouth