Commonly-Used Idioms, Sayings and phrasal verbs What is the meaning of idioms? Words that come together and change the whole meaning of the statement like "it rains cats and dogs", did you ever seen cats and dogs falling off from the sky?! Of course not, but it simply mean "it is raining too hard". I hope that you got the whole idea by now. Enjoy! Mr. Doody A abide by (something) - to follow the rules of something The cleaning staff must abide by the rules of the school. able to breathe easily again - to be able to relax and recover from a stressful time.