1. In complete control or with complete awareness of someone or something, often due to being diligent, fully informed, and/or up-to-date. I don't know how you keep on top of all the different student issues that are brought to your attention. How Janet manages to stay on top of all eight of those kids is really beyond me.
1.在完全控制或与某人或某事的完整认识,常因是勤奋,充分告知,和/或跟上时代的。我不知道你是怎么保持对所有对提请你注意不同的学生的问题上面。珍妮特如何设法留在这些孩子全部八个顶部确实是超出了我。
A: "How is the new project going?" B: "Right on track! Jen was on top of it while you were on vacation."
A:“如何在新的计划?” B:“!正确的轨道仁是在它的上面,而你在度假。”