知冷知熱 zhī lěng zhī rè

DEFINITIONS

  1. to know whether others are cold or hot (idiom)
  2. to be very considerate

CHARACTERS

知 zhī know, perceive, comprehend
冷 lěng cold, cool; lonely
知 zhī know, perceive, comprehend
熱 rè hot; heat; fever; restless; zeal