Focus on the pronunciation of smile
English definition of “smile”
/smɑɪl/ n [C]
› an expression on the face in which the ends of the mouth curve up slightly, often with the lips moving apart so that the teeth can be seen, expressing esp. happiness, pleasure, amusement, or a friendly feeling: a big/happy/pretty smile a smile of joy/satisfaction/amusement We exchanged smiles as we passed in the hallway. smiley
/ˈsmɑɪ·li/ adj › infml He’s a very smiley, friendly baby.