脑子生锈 nǎo zi shēng xiù

DEFINITIONS

  1. lit. brains rusty
  2. ossified thinking

CHARACTERS

脑 nǎo
HSK 1
brain
子 zi
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch
生 shēng
HSK 1
life, living, lifetime; birth
锈 xiù
HSK 6
rust, corrode