让座

讓座
ràngzuò
to give up one's seat for sb

CEDICT

Entry Composition

1 让 ràng
  1. to yield
  2. to permit
  3. to let sb do sth
  4. to have sb do sth
  5. to make sb (feel sad etc)
  6. by (indicates the agent in a passive clause, like 被 bèi)
2 座 zuò
  1. seat
  2. base; stand
  3. (bound form) constellation
  4. (archaic) suffix used in a respectful form of address (e.g. 师座 shīzuò)
  5. classifier for large immovable objects such as buildings, mountains, bridges etc