| 释义 |
●be ˈup to sb 🔑1. to be sb’s responsibility or duty 是…的责任；是…的职责◆It’s up to you to make sure the house is kept tidy.
保持房屋整洁是你的责任。SYN be down to sb2. to be left to sb to decide 由…决定；取决于◆‘Shall we go out? ’ ‘I don’t know. It’s up to you.’
“我们出去好吗？”“我不知道。你来决定吧。”[v + adv + prep] |