watered-down

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌwatered-ˈdown adjective  REDUCEa watered-down plan, report etc has been changed so that it is less extreme or forceful than when it was first written – used to show disapproval 〔计划、报告等〕作用比原来减弱了的，淡化了的〔含贬义〕 → water down a watered-down version of the original 与最初版本相比语气缓和的版本

Examples from the Corpus

watered-down• Courses should not be watered-down linguistics.• It has to be understood that the general and critical does not mean the vague, the watered-down, or the journalistic.• He is the only major figure offering an alternative party programme which is not a watered-down version of Mrs Thatcher's.• The House approved a watered-down version of the bill in November.watered-down version• He is the only major figure offering an alternative party programme which is not a watered-down version of Mrs Thatcher's.

ˌwatered-ˈdown adjectiveChineseSyllable  

a been watered-down Corpus plan, report etc has

watered-down
ˌwatered-ˈdown adjective
a watered-down plan, report etc has been changed so that it is less extreme or forceful than when it was first written – used to show disapproval ⇨ water down:
    a watered-down version of the original