They shift vagariously from farce to satire , and even to mawkishness.
它们经常变化,由滑稽转为讽刺,甚至转为感伤。
vagariously:异想天开
vagarious /越出常规的/奇特的/心气不定的/异想天开的/ | vagariously /异想天开/ | vagary /奇特/