Dialogues

1. 我想剪头发。Wǒ xiǎng jiǎn tóufa.
I would like a haircut.
我想 wǒ xiǎng, I’d like something.
剪 jiǎn, to cut.
头发 tóufa, hair.　

2. 修一下就可以了。Xiū yíxià jiù kěyǐ le.
Just a trim.
修一下 xiū yíxià, trim a little bit.
就 jiù, just.
可以 kěyǐ, Ok.
就可以了 jiù kěyǐ le, just be all right.　

3. 我想染头发。Wǒ xiǎng rǎn tóufa.
I’d like to dye my hair.
Now, some girls like to dye their hair different colors. How can they request this? 我想染头发.
我想 wǒ xiǎng, I want.
染 rǎn, to dye.
头发 tóufa, hair.
染头发 rǎn tóufa, to have your hair dyed.　

4. 别剪太短了。Bié jiǎn tài duǎn le.
Don’t cut it too short. 
sometimes you're afraid that they’ll cut your hair too short. How can you tell them not too much off? You can tell them 别剪太短了.
别 bié, not.
剪 jiǎn, to cut.
太 tài, too much.
短 duǎn, short.