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