九点开始爬山，十一点半在山顶吃午饭，午饭后我们将自由活动，下午四点半返回的翻译：Nine o'clock start climbing, 11:30 have lunch at the mountain, and after lunch we will freely, 4:30 P.M. returns 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Nine o'clock start climbing, 11:30 have lunch at the mountain, and after lunch we will freely, 4:30 P.M. returns

Nine starts to climb a mountain, 11 and half will have the lunch in the summit, after the lunch we is free moves, 4:30 pm of returns

9:11:30 at the top of the Hill Climbing, eat lunch, after lunch we will have the freedom to return to activities, 4:30 p.m.

Nine o'clock start climbing, 11:30 have lunch at the mountain, and after lunch we will freely, 4:30 P.M. returns