wishy-washy
adjective informal disapproving uk/ˈwɪʃ.iˌwɒʃ.i/ us/ˈwɪʃ.iˌwɑː.ʃi/
颜色浅的；软弱无力的；优柔寡断的；不坚定的；无特色的
having no colour, firm ideas, principles, or noticeable qualities of any type
The candidate gave a few unsatisfactory wishy-washy answers. 候选人的回答软弱无力，不能令人满意。
Watercolours are too wishy-washy for my taste. 水彩颜料对我来说颜色有点浅。
Synonym: insipid
Opposite: gutsy