treacherousness
背叛;危險
Treach·er·ous a. Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.
Loyal father of a treacherous son. --Shak.
The treacherous smile, a mask for secret hate. --Cowper.
Syn: -- Faithless; perfidious; traitorous; false; insidious; plotting.
-- Treach*er*ous*ly, adv. -- Treach*er*ous*ness, n.
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