couper les cheveux en quatre

== French == === Etymology === Literally, “cut hair in four”. Compare Italian spaccare il capello in quattro. === Pronunciation === IPA(key): /ku.pe le ʃ(ə).vø ɑ̃ katʁ/ === Verb === couper les cheveux en quatre (idiomatic) to split hairs ==== Conjugation ==== see couper ==== See also ==== se couper en quatre