Experts say a good rule to remember is not to post anything you would not want your mother to see.

VOA: special.2009.09.14

You might say a person is as cool as a cucumber if he never seems to worry about anything and stays calm in a stressful situation.

VOA: special.2011.02.13

"Michaelson,listen to me, you can stand there and say anything you like, just stay there one minute longer, do not move,I will be right back, one minute!" He rushed outside.

VOA: special.2011.03.05