cause to be unpretentious——The more noble the more humble.
of or relating to or involving light or optics——I thought I saw a ghost but it was just an optical illusion.
characterized by or caused by allergy——Ben is allergic to pollen.（花粉）
eat immoderately——He sat by the fire, devouring beef and onions
something many people believe that is false——I don't fancy going all that way in such bad weather.