口火 | [くちび, kuchibi] (n) fuse; spark plug; cause (of war); origin (of a quarrel); (P) [Add to Longdo] |
口火を切る | [くちびをきる, kuchibiwokiru] (exp, v5r) to start the debate; to get the ball rolling; to fire the first shot (fig. only); to start a conversation [Add to Longdo] |