在晚上八点半（翻译）

8到12四个小时,0到1.50 加起来6小时差十分钟

一棵挺拔的大树破地而出,约有百米之高,似一把巨伞在地面撑开.
如果能安家在这棵大树,用枝干做床,摘树叶为被,以露水充饥,看尽日升日落,那该有多美.

At half past eight in( the evening/at night)
或者是
At eight thirty (in the evening/at night)

It is half past eight p.m now.
It is eight thirty in the evening now.

1.at half past eight in the evening
2.an eleven-year-old girl
3.a three-month boy

My father always has a reading half past eight at night

晚上子（鼠）时是十一到一点,以十二点为正点；丑（牛）时是一点到三点,以两点为正点；寅（虎）时是三点到五点,以四点为正点；卯（兔）时是五点到七点,以六点为正点；辰（龙）时是七点到九点,以八点为正点；巳（蛇）时是九点到十一点,以十点为正点；午（马）时是十一点到一点,以十二点为正点；未（羊）时是一点到三点,以两点为正点；申（猴）时是三点到五点,以四点为正点；酉（鸡）时是五点到七点,以六点为正点；戌（狗）时是七点到九点,以八点为正点；亥（猪）时是九点到十一点,以十点为正点.
因此晚上八点是戌时正点.

it was eight-thirty at night,i was in my room working on my school assignments.my father and brother were outside in the living room playing international chess.my mother was watching her favourite movie next to them.My granny was listening to her old songs on her comfortabe chair.My grandpa was chatting with my uncle.everyone was so busy

It's half past eight now,I'm doing homework (不清楚你是要用我在做作业还是我在做作业,如果用你在做作业就是：you're doing homework.） Dad and brother is playing gobang,mom is cooking and grandma is watching tv.
希望可以帮到你吧.
我也.

今天是正月初二,我打算好好地休息一天.于是我看看书,弹弹琴,晚饭后还和妈妈去散步,并在晚上八点半就去睡觉.真是惬意的一天!
Today is the second day of the first lunar month,I plan to have a good rest.So I do some reading and play the piano.After supper,I have a walk with my mother,and I go to bed at half past eight.What a pleasant day!
惬意的:pleasant