人言鼎沸: many people talk together and the noise they make is like the bubbling of water boiling in a cauldron.; a tremendous hubbub
人言啧啧: complaints are whispered in a good-natured way (since no one dares make an open protest).; there are plenty of criticisms.; there is a good deal of unfavourable comment
人言不可信: gossips are not to be believed.; don't believe rumours.; words are but wind