ㄧㄡˇˋyǒuyìㄗㄞzāiㄏㄨㄚhuāㄏㄨㄚhuāㄅㄨˋㄈㄚˊㄒㄧㄣwúxīnㄔㄚchāㄌㄧㄡˇliǔㄌㄧㄡˇliǔㄔㄥˊchéngㄧㄣyīn

有意栽花花不发,无心插柳柳成阴
  1. 比喻有意計畫未必順利達成無意中行為獲得意外成效有意無心插柳柳成蔭」。 千方百計促成經濟合作結果有意栽花花不發,無心插柳柳成陰反倒文化教育交流進展」。

lit. you plant a garden and the flowers do not bloom, you poke a stick in the mud and it grows into a tree, fig. things do not always turn out as one would expect, well-laid plans may fail, and success may come where you least expect it