說的比唱的還好聽 [说－－－－还－听]

Jyutping syut3 dik1 bei2 coeng3 dik1 waan4 hou2 teng1
Pinyin shuō de bǐ chàng de hái hǎo tīng

Definitions (Wiktionary)
  1. phrase, idiomatic
    what someone said is pleasant to hear but empty and deceitful
    (syn.) 勿見人下來, 只聽樓板響, 只听楼板响, 勿见人下来