3 Idioms/Vocab.

1. bear fruit

Meaning : to yield or give result

Example : The woman's hard work at her business finally began to bear fruit when she started to make money.

http://www.idiomconnection.com/food.html#A13

2. dog eat dog

Meaning : if a situation is dog eat dog, people will do anything to be successful, even if what they do harms other people

Example : In showbusiness it's dog eat dog - one day you're a star, the next you've been replaced by younger talent.

http://dictionary.cambridge.org/define.asp?key=dog*2+0&dict=I

3. eat like a pig

Meaning : to eat a lot, or to eat noisily and unpleasantly

Example : Christine is one of those lucky people who can eat like a pig and still stay thin.

http://dictionary.cambridge.org/define.asp?key=pig*2+0&dict=I