投とうじる

ichidan verb, transitive verb

throw; cast a vote; cast light or shadow

A formal or written verb for physically throwing something, and very common in set abstract collocations such as 票を投じる, 光を投じる, and 影を投じる.

• 有ゆう権けん者しゃは投とう票ひょう所じょで一いっ票ぴょうを投とうじた。

  The voter cast a ballot at the polling place.

• 夕ゆう日ひが壁かべに長ながい影かげを投とうじていた。

  The setting sun was casting a long shadow on the wall.

ichidan verb, transitive verb

devote oneself; throw oneself into a cause

Used in the fixed construction 身を投じる, usually with に for the field, cause, movement, or activity one devotes oneself to.

See also: 身を投じる

• 彼かの女じょは若わかいころから環かん境きょう保ほ護ご運うん動どうに身みを投とうじた。

  She devoted herself to the environmental protection movement from a young age.

ichidan verb, transitive verb

invest; put resources into

Used for putting money, time, labor, or other resources into a project or purpose; common in business, political, and news writing.

• 会かい社しゃは新しん工こう場じょうの建けん設せつに百ひゃく億おく円えんを投とうじた。

  The company invested ten billion yen in building the new factory.

• 彼かれは研けん究きゅうに多おおくの時じ間かんと労ろう力りょくを投とうじた。

  He put a great deal of time and effort into the research.

ichidan verb, transitive verb

administer medicine; give a drug

Medical or formal written use with 薬 or a specific drug as the object. In ordinary modern medical wording, 投与する is often more direct.

• 医い師しは患かん者じゃに新あたらしい薬くすりを投とうじた。

  The doctor administered a new medicine to the patient.

ichidan verb, intransitive verb

surrender; submit; abandon resistance

Rare and hard expression, mostly in fixed phrases such as 軍門に投じる, meaning to surrender or submit oneself to the enemy or victor.

• 「軍ぐん門もんに投とうじる」は、敵てきに降こう参さんする意い味みの硬かたい言いい方かただ。

  軍門に投じる is a stiff expression meaning to surrender to the enemy.

ichidan verb, intransitive verb

take advantage of; make full use of

Rare or literary in modern Japanese, especially in the construction 機に投じる or 機に投じて, meaning to seize or make use of an opportunity. Modern Japanese more often uses 機に乗じる or 機会を利用する.

• 古ふるい文ぶん章しょうでは、「機きに投とうじて」と書かいて好こう機きを利り用ようすることを表あらわすことがある。

  In older writing, 機に投じて can mean making use of a good opportunity.

ichidan verb, intransitive verb

fit well with; match; be in tune with

Rare and literary, especially in the phrase 意に投じる, meaning to suit someone's tastes, intentions, or feelings.

• 「意いに投とうじる」は、相あい手ての好このみや気き持もちに合あうという意い味みの硬かたい表ひょう現げんだ。

  意に投じる is a stiff expression meaning to suit someone's tastes or feelings.

ichidan verb, intransitive verb

stay at a lodging; put up for the night

Old-fashioned literary use, mainly in the construction 宿に投じる. Modern Japanese normally says 宿に泊まる or 宿を取る.

• 紀き行こう文ぶんなどでは、「宿やどに投とうじる」が宿やどに泊とまる意い味みで使つかわれることがある。

  In travel writing and similar prose, 宿に投じる can be used to mean staying at an inn.