There are a several uses for this figure of speech. 1) It means to be exhausted after having done a lot of physical or mental work: “I’m all in.” 2) It can mean that you are totally committed and that you are putting all of your ability, effort and resources into a certain project. In the game of ‘poker’, it means to bet everything that you have. “I’m all in.”
精疲力竭;全神貫注;付出所有
這句話有兩種說法 1.代表在做了許多工作之後身體或者是心理上的筋疲力竭 2.完全投入你所有的能力跟努力及資源在一個計劃裏面,全神貫注的去做 “在撲克遊戲裡,則代表你賭上了你的所有。