grin

grin verb [ I ] uk/ɡrɪn/ uspresent participle grin ning | past tense and past participle grin ned
to smile a big smile

широко улыбаться
He grin ned at me from the doorway. grin noun [ C ]

широкая улыбка
She had a big grin on her face. Идиомы grin and bear it