锱 ㄗ zī 铢 ㄓㄨ zhū 必 ㄅㄧ ˋ bì 较 ㄐㄧㄠ ˋ jiào 錙 ㄗ zī 銖 ㄓㄨ zhū 必 ㄅㄧ ˋ bì 較 ㄐㄧㄠ ˋ jiào to haggle over every cent (idiom)