see off 为 ...送行； 向 ...告别 We went to the station to see her off. 我们去车站为她送行. She sent him off in high spirits. 她兴高采烈地为他送行. so that 因此； 以至于； 以便 He has few friends so that his life is lonely. 他的朋友很少,因此他的生活非常孤单. Please clear your toys off so that I can study. 请把你的玩具清理一下以便我能学习. such…that 如此 ...以致于 Their anxiety was such that they could not sleep. 他们如此焦虑,难以入睡. His diligence was such that he made great progress. 他如此聪明以致于进步很大.
