phrase, idiomatic
to make empty promises (syn.) 空口講白話, 空口讲白话, 空口说空话, 空口說空話
指望你今天送錢來，原來是空口説白話。
指望你今天送钱来，原来是空口说白话。
zhǐ wàng nǐ jīn tiān sòng qián lái ， yuán lái shì kōng kǒu shuō bái huà ． I expected you to send money today, but it turned out to be empty talk.