物极必反 wù jí bì fǎn

DEFINITIONS

  1. when things reach an extreme, they can only move in the opposite direction (idiom)

CHARACTERS

物 wù
HSK 3
thing, substance, creature
极 jí
HSK 3
extreme, utmost, furthest, final
必 bì
HSK 3
surely, most certainly; must
反 fǎn
HSK 4
reverse, opposite, contrary, anti