高一

こういち

first year in high school, first-year high school student

一段高

いちだんだか

further rise

一斉高

いっせいだか

all-round (market) advance

高低

こうてい たかひく

high and low, rise and fall

一

ひと ひ ひい いち いっち イー

one

中高一貫校

ちゅうこういっかんこう

combined junior high and high school

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)

一喜一憂

いっきいちゆう

now rejoicing, now worrying, swinging from joy to sorrow, glad and sad by turns, alternating hope and fear, unable to put one's mind at ease

一芸一能

いちげいいちのう

(excelling in) one area or skill, (being skilled or gifted in) one certain area

一朝一夕

いっちょういっせき

in a day, in a brief space of time