chagrin d'amour signifie anglais

heartache [heartaches]▼◼◼◼(very sincere and difficult emotional problems or stress)
noun
[UK: ˈhɑː.teɪk] [US: ˈhɑːr.ˌtek]

lovesickness▼◼◼◻noun
[UK: lˈʌvsɪknəs] [US: lˈʌvsɪknəs]