一山越す

ひとやまこす

to go over the hump, to get successfully through the bulk of the work

一山当てる

ひとやまあてる

to be right on target, to strike it rich

一山いくら

ひとやまいくら

dirt cheap, very cheap, worthless

山一證券

やまいち

Yamaichi Securities Company, Limited

氷山の一角

ひょうざんのいっかく

the tip of the iceberg

山王一実神道

さんのういちじつしんとう

Sannou Ichijitsu Shinto (alt. name for Hie Shinto: a form of Shinto heavily influenced by Tendai)

八重山一黒子

やえやまひとつぼくろ

tall shield orchid (Nervilia aragoana)

山

さん ざん むれ やま

mine (e.g. coal mine)

一

ひと ひ ひい いち いっち イー

one

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