沒良心的,不知廉恥的
Conscienceless \Con"science*less\, a.
Without conscience; indifferent to conscience; unscrupulous.
Conscienceless and wicked patrons. --Hookre.
conscienceless
adj : lacking a conscience; "a conscienceless villain"; "brash,
unprincipled, and conscienceless"; "an unconscionable
liar" [syn: {unconscionable}]