cautionary

adj giving advice or a warning 给予劝告或警告的: a cautionary tale 警世的故事.

caught, caul, cauldron (also caldron), cauliflower, cauliflower cheese, cauliflower ear, caulk, caulk (also esp US calk), causal, causality, causation, causative, cause, causeway, caustic, caustic soda, caustically, cauterize, cauterize, cauterise, caution, cautious, cautiously, cautiousness, cavalcade, cavalier, cavalry, cave, cave in, cave-dweller, cave-in, caveat, caveman, cavern, cavernous, caviare (also caviar), cavil, cavity, cavity wall, cavort, caw,