усмехнуться înseamnă în Engleză

chuckle [chuckled, chuckling, chuckles]▼(to laugh quietly or inwardly)
verb
[UK: ˈtʃʌk.l̩] [US: ˈtʃʌk.l̩]

grin [grinned, grinning, grins]▼(To smile showing the teeth)
verb
[UK: ɡrɪn] [US: ˈɡrɪn]

smile [smiled, smiling, smiles]▼(to have a smile on one's face)
verb
[UK: smaɪl] [US: ˈsmaɪl]