累

lěi
  1. to accumulate
  2. to involve or implicate (Taiwan pr. lèi)
  3. continuous
  4. repeated

CEDICT

Homographs

累 lèi
  1. tired
  2. weary
  3. to strain
  4. to wear out
  5. to work hard
累 léi
  1. rope
  2. to bind together
  3. to twist around