unprincipled
Longman Dictionary of Contemporary English 5++LDOCE 5++un·prin·ci·pled /ʌnˈprɪnsəpəld/ AWL adjective formal DON'T CAREnot caring whether what you do is morally right 无原则的，不讲道德的，不择手段的 SYN unscrupulous
Examples from the Corpus
unprincipled• The argument that Labour should not organise in Northern Ireland because there would be little support for it is particularly unprincipled.• We have triumphed over the unprincipled dissemination of facts.• Firstly we believe representative government to be an unprincipled fraud and propose a radical alternative in the form of participative democracy.• This is not an unprincipled position.• The public's dislike of unprincipled press behaviour has sometimes been expressed in the award of erratically large libel damages.• Yet this morning I am once more not only an unprincipled seducer, but ... what?• She was unpredictable, and unprincipled where Paige was involved.un·prin·ci·pled adjectiveChineseSyllable
you what caring is whether not morally Corpus do
unprincipled
un‧prin‧ci‧pled AC /ʌnˈprɪnsəpəld, ʌnˈprɪnsɪpəld/
adjective formal
not caring whether what you do is morally right
SYN unscrupulous
un‧prin‧ci‧pled AC /ʌnˈprɪnsəpəld, ʌnˈprɪnsɪpəld/
adjective formalnot caring whether what you do is morally right
SYN unscrupulous