lose the plot in French
lose the plot in French
perdre la tête
(UK, idiomatic, colloquial) To cease to behave in a consistent or rational manner.
perdre le nord
(UK, idiomatic, colloquial) To cease to behave in a consistent or rational manner.
perdre les pédales
(UK, idiomatic, colloquial) To cease to behave in a consistent or rational manner.
perdre le fil
(UK, idiomatic, colloquial) To lose sight of an important objective or principle; to act contrarily to one's own interests through concentrating on relatively unimportant matters.