Definition
- C2
to commence something with sudden enthusiasm and active engagement
突然热情地开始做某事
After hearing about the new project, he plunged in without hesitation, full of enthusiasm.
在听闻新项目后，他毫不犹豫地投入其中，充满热情。
She decided to plunge into learning Spanish from scratch with great passion.
她决定从零开始热情地投入学习西班牙语。
The kids plunged into the game with excitement, enjoying every moment.
孩子们兴奋地投入到游戏中，享受每一刻。