错误

mistake / wrong / bad / interlocking / complex / to grind / to polish / to alternate / to stagger / to miss / to let slip / to evade / to inlay with gold or silver

错 = 昔 + 钅 : Kitty Cat just finished polishing her golden harpoon in the observatory's bathroom, but afterwards she made the terrible mistake of dropping her milkshake on it. Now she'll have to polish it all over again.

误

誤

wù = w + Ø4

mistake / error / to miss / to harm / to delay / to neglect / mistakenly

误 = 吴 + 讠 : Recently, mission control had an advertising column (讠) set up in the space station's bathroom (Ø4). On the column is written that interracial love is WRONG (误) and should be banned. To protest this, Willy Walrus (w) and the water buffalo (吴) show their love for each other by having a shower together in the space station's bathroom.