半斤八兩
bàn​jīn​bā​liǎng

six of one and half a dozen of the other

  1. 半 bàn numeral
    half
    one half; semi-; specifically used after a number and a measure word to mean "and a half"
  2. 斤 jīn noun
    jin
    A unit of weight; one catty. In mainland China, it is exactly 500 grams (0.5 kg). In Taiwan, it is 600 grams. In Hong Kong and Southeast Asia, it is approximately 604.8 grams.
  3. 八 bā numeral
    eight
    eight; 8
  4. 两 兩 liǎng
    liang
    unit of weight equal to 50 grams in the modern market system, or 1/16 of a 斤 jīn (catty) in the traditional system