一笑に付する

いっしょうにふする

to laugh something off, to shrug a matter off

一笑

いっしょう

laugh, smile

一顰一笑

いっぴんいっしょう

(a) mood, (a) smile or a frown

嫣然一笑

えんぜんいっしょう

giving a charming (bewitching) smile

破顔一笑

はがんいっしょう

smiling broadly

一笑千金

いっしょうせんきん

A smile of a beautiful woman is worth a thousand pieces of gold, enchanting smile of a glamorous woman

一に

いつに いちに

solely, entirely, only, or

不問に付す

ふもんにふす

to ignore, to disregard, to overlook, to connive at

驥尾に付す

きびにふす

to succeed by following the lead of an expert; to get ahead by following someone's lead

等閑に付す

とうかんにふす

to neglect, to overlook

笑い死に

わらいじに

death by laughter

笑うに笑えない

わらうにわらえない

being unable to laugh (at a funny but serious situation); forced to hold back laughter

笑かす

わらかす

to make laugh; to set to laughing

一人にする

ひとりにする

to leave (someone) alone; to leave to oneself; to leave (someone) be

一緒にする

いっしょにする

to unite, to join, to do together

に付け

につけ

every time; whenever; as

に付き

につき

because of, on account of

一銭を笑う者は一銭に泣く

いっせんをわらうものはいっせんになく

Take care of the penny

一円を笑う者は一円に泣く

いちえんをわらうものはいちえんになく

Take care of the penny, he who makes fun of one yen will cry at one yen