faire de vieux os

== French == === Etymology === Literally, “to make old bones”. === Pronunciation === IPA(key): /fɛʁ də vjø.z‿o/ === Verb === faire de vieux os to live long, to make it to old age, to grow old Synonym: faire long feu to stay long, to stay for long, to stay up late Synonym: la faire longue ==== Usage notes ==== Often used in the negative: ne pas faire de vieux os (“not to last long”).