English Grammar: Idioms And Phrases (“Set-E/F”) | for CSS, PMS, PCS, NTS
Eat one’s heart out:
(To make oneself ill by being unhappy, by longing for something one cannot have etc.) – The little girl was eating her heart out because she was not allowed to have a dog.
Every now and then:
(frequently, after the lapse of short intervals) – Every now and then a countryman would burst into tears.