Definition
to engage in an activity with great enthusiasm and energy
全情投入於...；投身於其中
She flung herself into the project, helping the team achieve great success.
她全身心投入到這個項目中，幫助團隊取得了巨大的成功。
He decided to fling himself into the marathon training to build his endurance.
他決定全身心投入馬拉松訓練，以增強自己的耐力。
When the music started, they flung themselves into dancing, completely losing track of time.
當音樂響起時，他們全身心投入跳舞，完全忘記了時間。