thin end of the wedge

Traduzioni
первая ласточка
Allowing minor rule-breaking can be the thin end of the wedge for more serious offenses.
Разрешение на мелкие нарушения может стать первой ласточкой для более серьезных проступков.
Definizioni
A small or seemingly minor action or event that is likely to lead to larger, more significant, and often undesirable consequences.
Parole
end

noun
конец
wedge

noun
клин
thin

adjective
тонкий