乐园: paradise...
误区: mistaken ideas, misconceptions, the error of one's ways...
当众: in public, in front of everybody...
委婉: tactful, euphemistic, (of voice etc) suave, soft...
也就是说: in other words, that is to say, so, thus...
遏制: to check, to contain, to hold back, to keep within limits, to constrain, to restrain...
楷模: model, example...
歌声: singing voice, original voice of a poet...
顶多: at most, at best...
馋: gluttonous, greedy, to have a craving...