a todo tren

== Spanish == === Pronunciation === IPA(key): /a ˌtodo ˈtɾen/ [a ˌt̪o.ð̞o ˈt̪ɾẽn] Syllabification: a to‧do tren === Adverb === a todo tren quick as a flash; full pelt === Further reading === “a todo tren”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025