The adverb 不止 "not only"
The adverb 不止 
indicates that a number exceeds another specified number.
不止 is usually placed before numerals.
indicates that a number exceeds another specified number.
不止 is usually placed before numerals.Examples
我的梦想不止一个
I have more than one dream
wǒ de mèngxiǎng bùzhǐ yí ge
中国人不止五族
Chinese people are comprised of more than five ethnicities. split into more than
zhōngguórén bùzhǐ wǔ zú
这个电影特别好看，我看了不止一遍了
This film is so good, that I’ve watched it more than once
zhè ge diànyǐng tèbié hǎokàn, wǒ kàn le bùzhǐ yí biàn le
不止 also has the meaning "nonstop". In this case, it is placed after a verb.
Examples
如果流血不止或流血很多的话，去看下医生
If the bleeding doesn’t stop, consult a doctor
rúguǒ liúxuè bùzhǐ huò liúxuè hěn duō de huà, qù kàn xià yīshēng
那件事引得学生和教练大笑不止
This incident made students and coaches laugh loudly nonstop
nà jiàn shì yǐndé xuésheng hé jiàoliàn dàxiào bùzhǐ