English Slang Collection：

　　Einstein

　　[释] really really smart guy;

　　[例] That guy got an A in Algorithms with prof. Brady! What an Einstein!;

　　elbow grease

　　[释] working hard by putting all efforts into the job;

　　[例] The stain will come off eventually. It just takes some elbow grease.

　　empty nester

　　[释] a parent whose children have grown up and left home;

　　[例] You'll be an empty nester soon after your daughter goes to college.;

　　epic

　　[释] impressive, wonderful or awesome;

　　[例] The movie last night was epic and definitely worth watching.

　　epic fail

　　[释] when something is seen to be a total failure;

　　[例] I was denied to enter the examination hall for no ID card. What a epic fail.;

　　every cloud has a sliver lining

　　[释] for every bad thing that happens, there's something positive about it.