tug at somebody's heartstrings
US /tʌɡ æt ˈsʌm.bə.diz ˈhɑːrt.strɪŋz/
UK /tʌɡ æt ˈsʌm.bə.diz ˈhɑːrt.strɪŋz/

1.
conmover, tocar la fibra sensible
to cause strong feelings of love or sympathy in someone
:
•
The story of the lost puppy really tugged at my heartstrings.
La historia del cachorro perdido realmente me conmovió.
•
Her sad eyes always tug at his heartstrings.
Sus ojos tristes siempre le conmueven.