Translation guide
Describes doing something while smiling widely, often showing teeth, in a cheerful or amused manner.
To describe an action accompanied by a wide, cheerful smile.
A common, natural phrase meaning 'with a broad smile/grin'. Used to describe an action done while smiling widely.
彼は満面の笑みで手を振った。
He waved with a broad grin.
Means 'while smiling happily/cheerfully'. Conveys a continuous, pleasant smile, often used for a beaming expression.
彼女はにこにこしながら話しかけてきた。
She came up to talk with a broad grin.
Literally 'with a big smile', often used for a single, bright, cheerful grin. Can be used adverbially.
子供はにっこり笑ってプレゼントを受け取った。
The child accepted the present with a broad grin.
Literally 'while laughing showing teeth'. More descriptive, emphasizes the visible teeth in a grin. Less common in casual speech.
彼は歯を見せて笑いながら冗談を言った。
He told a joke with a broad grin.