Meaning/Usage: Hoping nothing will go wrong to try or do something

Explanation: Whenever there is action, there is reaction. Sometimes the reaction or the result can be negative on you. Because of this, people became cautious about changing to things that they are not familiar with. However, after thinking for a long time and not being able to find anything negative, people would use this common phrase.

"I'm trying a new diet, it can't hurt, right?"
"It can't hurt to get another opinion."
"I say it can't hurt to let him know how you feel."

A. "I'm thinking of trying out a new gym."
B. "Really? Why?"
A. "The one I go to now is too expensive. I found another one that is cheaper."
B. "Go ahead and do it, it can't hurt to try it."

Other Common Sentences

"You might as well."
"There is no harm trying."