一笑

いっしょう

laugh, 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

嫣然一笑

えんぜんいっしょう

giving a charming (bewitching) smile

一笑に付す

いっしょうにふす

to laugh (someone) down

顰

ひそみ

knitted brows, frown

一

ひと ひ ひい いち いっち イー

one

一笑に付する

いっしょうにふする

to laugh something off, to shrug a matter off

一人一人

ひとりひとり ひとりびとり

one by one, each, one at a time

一高一低

いっこういってい

rise and fall, frequent fluctuations (of the market price)

一宿一飯

いっしゅくいっぱん

(being beholden to someone for a favor of) a night's lodging and a meal

一得一失

いっとくいっしつ

gaining some and losing some, (something having its) advantages and disadvantages

一向一揆

いっこういっき

Jodo Shinshu Buddhist uprising (Muromachi and Warring States periods)

一点一画

いってんいっかく

the dots of i's and the crosses of t's, (not neglecting) the slightest details

一党一派

いっとういっぱ いちとういっぱ

particular party or faction

一言一句

いちごんいっく ひとこといちく

every single word and phrase, word by word

一つ一つ

ひとつひとつ

one-by-one, separately, in detail

一字一句

いちじいっく いち じいっく

word for word, verbatim, a single word and a single phrase

一期一会

いちごいちえ

once-in-a-lifetime encounter (hence should be cherished as such)