1. advantage

Today we are going to learn “advantage”. It means something that helps you to be more successful than others.
(1) It might be to your advantage (= it might help you ) to take a computer course of some kind.
(2) Our parents didn’t have all the advantages that we have.

2. arm

Another word is “arm”. It means a part of your body, but here there is another meaning “arms” for “weapons used for fighting wars”.
(1) He appealed for the rebels to lay down their arms (= stop fighting ) .
(2) The government is cutting arms expenditure.