have something on
To have information or proof that someone did something wrong.
Mr. Jones didn't want to run for office because he knew the opponents had something on him.
Mr. Smith keeps paying blackmail to a man who has something on him.
Although Miss Brown is not a good worker, her boss does not fire her because she has something on him.
have the constitution of an ox
To be able to work extremely hard and to have the stamina to overcome misfortune.
Stan, who has lost both of his parents within one year and is constantly working late, seems to be indestructible, as if he had the constitution of an ox.
have the courage of one's convictions
To be brave enough to act according to your beliefs.
Steve showed that he had the courage of his convictions by refusing to help another student cheat in the exam.
Owen knew that Pete had started the fight, but he was afraid to say so; he did not have the courage of his convictions.
have the guts to do something
To be brave enough to do something difficult or dangerous.
Jack wants to marry Jilt, but he doesn't have the guts to pop the question.
have the last laugh
get the last laugh
To make someone seem foolish for having laughed at you.
Other schools laughed at us when our little team entered the state championship, but we had the last laugh when we won it.
have the laugh on
To emerge as the victor.
We were trying to fool Paul by setting him up with a blind date who was reportedly unattractive, but he had the laugh on us when this girl turned out to be beautiful.
have the lead
To occupy the most prominent part in something.
Maria has the lead in our school play.
have the makings of
To possess the basic ingredients; have the basic qualities to do something.
Tom is still young but he seems to have the makings of an excellent pianist.