一些练习

Hello, can you help take a picture of us?
你好，可以帮我们拍照片吗?

Today is a really lucky day. I finally took a picture with my idol.
今天我很幸运日，我终于能跟我偶像在最喜欢明星拍照片了！

Dad, I want to take a picture with the tank.
爸爸，我想跟坦克車[鈇甲車 iron armour carriage]旁边一起拍照片

Don't move. Put your hands up.
别动了，把快提你们的手提高吧！

Mom doesn't let me watch TV.
妈妈不让我看电视了

Don't talk while eating.
你别在又吃又在說話看电视了

In the summertime, many parents will take their children to the countryside and train them to live independently.
夏天的时候，很多父母带把孩子们到带乡下培训单过 去訓練一个獨立生活

Being an athlete is very tough. One has to train the whole day until late.
当做[more accurately, 作為]运动员是真辛苦的，整每天到晚都要努力培训練 or 整每到晚在苦練

Come on, let's go ride horses.
来吧，我们去骑马吧！

Did you ride a bike here?
你在这里[有]骑过自行车吗?

I rode an elephant once when I was in Thailand.
我在泰国骑一次只大象了 [You forgot to translate "once"]

Whoa, Superman is so cool. I want to become Superman.
哇，超人太酷了。我想成为超人。 [On first reading, it said, Superman is too ruthless!  What you wrote is slang in Chinese. Standard would be 威風.  Can't be helped after all what you wrote is also slang in English]

I like to watch boys do hiphop dances. It's really cool.
我喜欢看小伙子跳嘻哈舞，真酷！ or 真無比

谢谢你们正确地修改我写的东西

Hello, can you help take a picture of us?
你好，可以帮我们拍（張）照片吗?

Today is a really lucky day. I finally took a picture with my idol.
今天很（真是）幸运日，我终于能跟我最喜欢明星（的偶像）拍照片了！

Dad, I want to take a picture with the tank.
爸爸，我想跟坦克一起照片（張像）

Don't move. Put your hands up.
别动了，快提你们的手吧！ （雙手舉高）

Mom doesn't let me watch TV.
妈妈不让我看电视了

Don't talk while eating.
你别又（在吃東西時說話）吃又片电视了

In the summertime, many parents will take their children to the countryside and train them to live independently.
夏天的时候，很多父母把孩子带（到）乡下培训（練獨立生活）单过

Being an athlete is very tough. One has to train the whole day until late.
当运动员真辛苦，每天都要努力培训 （訓練到很晚）

Come on, let's go ride horses.
来，我们去骑马吧！

Did you ride a bike here?
你（在）这里骑过自行车吗?

I rode an elephant once when I was in Thailand.
我在泰国骑（過一次）一只大象了

Whoa, Superman is so cool. I want to become Superman.
哇，超人太酷了。我想成为超人。

I like to watch boys do hiphop dances. It's really cool.
我喜欢看小伙子跳嘻哈舞，真酷！

谢谢你们正确（修正）我写的东西

一些练习

Hello, can you help take a picture of us?
你好，可以帮我们拍照片吗?

Today is a really lucky day. I finally took a picture with my idol.
今天是個很幸运的日子，我终于能跟我最喜欢明星拍照片了！

Dad, I want to take a picture with the tank.
爸爸，我想跟坦克一起拍照片

Don't move. Put your hands up.
别动了，快提舉起你们的手吧！

Mom doesn't let me watch TV.
妈妈不让我看电视了

Don't talk while eating.
你别又吃又看电视了 別在吃東西的時候說話

In the summertime, many parents will take their children to the countryside and train them to live independently.
夏天的时候，很多父母會把孩子带到乡下培训单过 訓練他們獨立生活

Being an athlete is very tough. One has to train the whole day until late.
当运动员真辛苦，每天都要努力培训

Come on, let's go ride horses.
来，我们去骑马吧！

Did you ride a bike here?
你这里骑过自行车吗?

I rode an elephant once when I was in Thailand.
我在泰国骑過一次大象了

Whoa, Superman is so cool. I want to become Superman.
哇，超人太酷了。我想成为超人。

I like to watch boys do hiphop dances. It's really cool.
我喜欢看小伙子跳嘻哈舞，真酷！

谢谢你们正确(修正)我写的东西