trick (someone) into (doing something) - to fool someone, to cheat someone The salesman tricked the customer into buying something that he did not need. tried-and-true - tested by time and proven to be sound I know of a tried-and-true method to remove stains from the carpet. trip the light fantastic - to go dancing "It`s Friday night so let`s go downtown and trip the light fantastic." trip up - to make a mistake The teacher tripped up over the correct pronunciation of the man`s name. trip up (someone) - to cause someone to fail, to cause someone to make a mistake The news reporter tripped up the politician.