陳谷子爛芝麻 [ㄔㄣˊ ㄍㄨˇ ˙ㄗ ㄌㄢˋ ㄓ ˙ㄇㄚ; chen2 gu3 zi5 lan4 zhi1 ma5] lit. stale grain, overcooked sesame (idiom); fig. the same boring old gossip ◄ ►