投身於的英文：
fling oneself into
pitch into
throw oneself into the lap of
參考例句：
He devoted himself into the construction of a legal framework.
他投身於創建司法系統的事業中。He threw himself into work once he got back from his holidays.
他度假一回來就投身於工作。Snow was the rare journalist who consciously and generously placed himself in his work
像斯諾這樣自覺自願、落落大方地投身於本職工作的新聞記者是不多的。He took to the religious life and at first set no limit to his austerities.
他投身於宗教生活，一開始就竭力刻苦修行。After retiring,she became involved in voluntary service in the local community.
她在退休後投身於當地社區的志願服務工作。He was the son of a well-to-do tradesman, had been to college in London, and was to devote himself to business
他是個富商的兒子，在倫敦上過大學，即將投身於商界。devote oneself entirely to something; indulge in to an immoderate degree, usually with pleasure.
將自己完全投身於某事；無節制地沉湎於其中通常爲樂事。 Only when one plunges into the powerful current of the times will one’s life shine brilliantly. —— Abraham Lincoln
一個人只有投身於偉大的時代洪流中，他的生命纔會閃耀出光彩。——林肯One of the most unusual characters is this ex-ballet dancer who has devoted himself to the goldsmith art.
這個城市特色之一是這個前芭蕾舞演員，現在他已投身於黃金藝術的創作。Although a classically trained painter, he embraced vanguard ideas and made radical art.
儘管接受的'是經典教育，這位畫家卻信奉前衛理念，並投身於激進藝術的創作。fling是什麼意思：
n. 投，擲，拋；一時的放縱
v. 扔，擲，拋；猛撲，猛衝；投身於
To cast,fling,or hurl something.
投、扔或擲某物The iron flings align themselves in the direction of the magnetic field.
鐵屑按磁場的方向排列。At least I can say that it wasn't fling.
至少我可以說那不是一時的放縱。 oneself是什麼意思：
pron. 自己；親自，自行
apologize for oneself
爲自已解辯或辯護 pride oneself on
使得意 embroil oneself in
使某人捲入糾紛 into是什麼意思：
prep. 進入…中；進入…狀態；持續到；輸入
