falsification by means of vague or ambiguous language
the act of abandoning a party for cause
例句
He won't do that if tergiversation is immoral. 如果背叛是不道德的，他就不会做。
The pursuing is rouse of humanity, and also is the tergiversation to traditional female role of the ethical code. ? 这种追求是人性觉醒之表现,也是对礼教规范的传统女性角色之背叛。
The pursuing is rouse of humanity, and also is the tergiversation to traditional female role of the ethical code . 这种追求是人性觉醒之表现,也是对礼教规范的传统女性角色之背叛。
and that in spite of his utmost tergiversation and treachery in furtherance of the reigning terror, a word might bring it down upon him. 他也知道尽管他竭尽反复无常、狡猾欺诈之能事，为统治时局的恐怖活动火上加油，但要叫那斧头落到他头上只需要一句话。
Pertinacity and tergiversation: female consciousness roused oneself in the song dynasty 执著与背叛:宋代女性意识之觉醒
