鑿壁偷光 záo bì tōu guāng

DEFINITIONS

  1. lit. to pierce the wall to steal a light (idiom)
  2. fig. to study diligently in the face of hardship

CHARACTERS

鑿 záo chisel; bore, pierce
壁 bì partition wall; walls of a house
偷 tōu to steal, burglar, thief
光 guāng light, brilliant, shine; only