添砖加瓦 tiān zhuān jiā wǎ

DEFINITIONS

  1. lit. contribute bricks and tiles for a building (idiom)
  2. fig. to do one's bit to help

CHARACTERS

添 tiān append, add to; increase
砖 zhuān tile, brick
加 jiā add to, increase, augment
瓦 wǎ tile; earthenware pottery; girl