有言在先[yǒu yán zài xiān]
词典forewarn:预先警告,事先告知。
词典make clear beforehand:有言在先。
词典have agreed before:有言在先。
词典having previously pledged one's word:有言在先。
有言在先[yǒu yán zài xiān]
\u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
make clear beforehand; forewarn; have agreed before; having previously pledged one's word; Let it be clearly understood before-hand.