“哪壶不开提哪壶”，《中国俗语大辞典》注为“比喻专拣对方的忌讳或弱处去说”，却未说明这个比喻是怎么来的。想来，是那种多灶眼的大灶，可以同时烧多壶开水，正常情况用开水时，哪壶开了提哪壶，不开的壶就不提；但特殊情况也是难免的，或因灶眼的火势不一样旺，或因壶的 “Which pot does not open which pot”, “Dictionary of Chinese idioms” Note for the “analogy to pick each other’s taboo or weakness,” but did not say how this metaphor came. Want to come, is the kind of multi-stove eyes of the big stove, you can burn more than boiling pot of water, the normal situation with boiling water, which pot opened a pot, not open the pot does not mention; but special circumstances are inevitable, or due to stove The eyes of the fire is not the same Wang, or because of the pot