to go out / to come out / to occur / to produce / to go beyond / to rise / to put forth / to happen / (used after a verb to indicate an outward direction or a positive result) / classifier for dramas, plays, operas etc
lit. to see whether it's a mule or a horse, take it out for a walk (idiom) / fig. the proof of the pudding is in the eating / to show what one is made of