Eng

Tasteless...

俗

Common, Culture, Customs, Layman, Tasteless, Trite, Unrefined, Vulgar, Worldly

淡

Desalinated, Diluted, Easily, Fresh water, Indifferent, Insipid, Light, Simple, Tasteless, Uncaring, Watered, Weak

無味

Dry, Dull, Flavorless, Tasteless, Unappetizing, Unattractive, Uninteresting, Unpalatable

索然無味

Boring, Tasteless, Uninteresting

(Insipid, Listless, Dry, Dull, Flavorless, Unappetizing, Unattractive, Unpalatable)