1、投入
... fling mud at 诽谤 fling off 发出 fling oneself into 投入 ...
2、奋力从事
... fling oneself out 手舞足蹈; 发怒而暴跳 fling oneself into 毅然投身于; 奋力从事 fling oneself upon 毅然投身于; 奋力从事 ...
3、毅然投身于
... fling oneself out 手舞足蹈; 发怒而暴跳 fling oneself into 毅然投身于; 奋力从事 fling oneself upon 毅然投身于; 奋力从事 ...
4、投身于
...flatter oneself 自以为是，自鸣得意fling oneself into 投身于…fling oneself against/on 猛扑向… ...