She works hard because her heart is in the project.
someone's heart is in
idiomSomeone is emotionally invested in (something); someone does (something) wholeheartedly.
He decided to quit his job because his heart was no longer in the work he was doing every day.
Although the task was difficult and offered little reward, she persevered because her heart was truly in the cause she served.
- 01
absence makes the heart grow fonder
One feels more love or affection for those one loves when parted from them.
- 02
all heart
Motivated by positive emotions, especially as productive of exceptionally generous or kind behavior.
- 03
another nail in someone's coffin
An event that increases the likelihood of or causes further failure.
- 04
answer someone's prayers
To be or do exactly what someone has been wishing or asking for.
- 05
answer to someone's prayers
Exactly what someone has been wishing or asking for.
- 06
apple of someone's eye
The object of somebody's affections; a person (or sometimes a thing) that someone strongly prefers; a favorite, a loved one.
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bane of someone's existence
Someone or something that poses a significant problem to someone.
- 08
bash someone's face in
To beat someone violently.
Last updated July 12, 2026