un train peut en cacher un autre

== French == === Etymology === Literally, “one train may be hiding another”, a common phrase on warning signs at level crossings. === Pronunciation === IPA(key): /œ̃ tʁɛ̃ pø ɑ̃ ka.ʃe œ̃.n‿otʁ/ === Proverb === un train peut en cacher un autre (figuratively) there may be more than meets the eye ==== See also ==== les apparences sont trompeuses