Count me in! 把我也算进去!
I'm with you. 我附和你.
I'm in! 我加入. Don't get left out in the cold. 不要被人冷落在一边.
Are you in or out? 你要加入还是退出? Okay, you are in. 好, 让你加入吧.
I'm glad I'm a part of it. 我很高兴能参与. He has a finger in every pie. 他事事参与. I wash my hands of all their marital problems. 我不愿插手他们的婚姻纠纷.
