プログレッシブ和英中辞典(第4版)の解説
とうじる【投じる】
&fRoman1;〔投げる〕throw; cast
彼女は海に身を投じた
She threw herself in the sea.（▼死んだ場合はdrowned herselfとも言う）
獄に投じられた
He was thrown into prison.
筆を投じる
stop [give up] writing
夕日が海に燃えるような光を投じた
The setting sun cast a fiery glow over the sea.
&fRoman2;
❶〔仲間に入る〕
彼女は女性解放運動に身を投じた
She 「threw herself into [plunged into/devoted herself to] the women's liberation movement.
少年は革命グループに身を投じた
The boy joined a revolutionary group.
❷〔つぎ込む〕
彼女は私財を投じて学校を建てた
She sank her own money into founding a school.／She built a school at her own expense.
父は全財産をその事業に投じた
My father invested [put] all his fortune in the project.
トンネル建設のために投じられた労力ははかりしれない
The work that has gone into (building) the tunnel is immeasurable.
❸〔うまく合う，一致する〕
時流に投じる
swim with the stream [current/tide]
その標語はうまく人気に投じた
The slogan succeeded in capturing the public fancy.／The slogan caught on.
政府は機に投じた策を立てるべきだ
The government should find a way to take advantage of this opportunity.
❹〔投票する〕
清き一票を投じる
cast a clean vote
彼に１票を投じた
I voted for him.
❺〔投降する〕
敵に投じる
surrender to the enemy
❻〔泊まる〕
一夜を湖畔の宿に投じた
I put up at a lakeside hotel for the night.