grin from ear to ear
US /ɡrɪn frəm ɪr tu ɪr/
UK /ɡrɪn frəm ɪr tu ɪr/

1.
sorrir de orelha a orelha, ter um sorriso largo
to smile broadly, showing great pleasure or amusement
:
•
When she saw the surprise party, she started to grin from ear to ear.
Quando ela viu a festa surpresa, começou a sorrir de orelha a orelha.
•
He was grinning from ear to ear after winning the lottery.
Ele estava sorrindo de orelha a orelha depois de ganhar na loteria.