天 ㄊㄧㄢ tiān 壤 ㄖㄤ ˇ rǎng 之 ㄓ zhī 别 ㄅㄧㄝ ˊ bié 天 ㄊㄧㄢ tiān 壤 ㄖㄤ ˇ rǎng 之 ㄓ zhī 別 ㄅㄧㄝ ˊ bié lit. as different as sky and earth (idiom) fig. night and day difference opposite extremes a world of difference a far cry from