idiom

US /ˈɪd.i.əm/
UK /ˈɪd.i.əm/
"idiom" picture
1.

idioma, espressione idiomatica

a group of words established by usage as having a meaning not deducible from those of the individual words (e.g., rain cats and dogs, see the light).

:
Learning English idioms can be challenging but rewarding.
Imparare gli idiomi inglesi può essere impegnativo ma gratificante.
The phrase 'kick the bucket' is an idiom for dying.
La frase 'tirare le cuoia' è un idioma per morire.