If something is hit-and-miss, you cannot depend on it to be of good quality , on time , accurate , etc. 沒準(zhǔn)的，碰運(yùn)氣的 The trains are often late, so getting to work on time is a fairly hit-and-miss affair . 火車經(jīng)常晚點(diǎn)，所以準(zhǔn)時(shí)上班在很大程度上是件碰運(yùn)氣的事。 返回 hit-and-miss