launch yourself into
phrasal verblaunch into something | launch yourself into something 
- to begin something in an enthusiastic way, especially something that will take a long time(热情地)开始做,投入 - He launched into a lengthy account of his career.他开始啰啰嗦嗦地讲述自己的工作经历。 
- Roger suddenly launched into a hilarious impression of the headmaster.罗杰突然对校长产生了滑稽的印象。 
 
- He launched into a lengthy account of his career.