Relier Pairs Idioms with safetyVersion en ligne Life 6- unit 2B par Mariangel Fernández 1 DO THINGS BY THE BOOK 2 BETTER TO BE SAFE THAN SORRY 3 CUT CORNERS 4 FOLLOW THE CORRECT PROCEDURE 5 BECOME SECOND NATURE TO YOU 6 ERR ON THE SIDE OF CAUTION To do things in a safe way to avoid risk. To do things in a very safe way. To do things in the correct way. To improvise, to do sth without care so as to save time or money. To become natural. Don't try to make up your own rules.