saber de qué pie cojea
Spanish
Etymology
Literally, “know which foot someone limps”.
Verb
- (idiomatic) to know one's ideology; to know one's weaknesses
Further reading
- “saber de qué pie cojea alguien”, 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