1. 无搀杂的：unadorned 未装饰的 | unadulterated 无搀杂的 | unadvisable 不妥当的

2. 未搀杂的：unadorned 无装饰的 | unadulterated 未搀杂的 | unaerated 未充气

3. 纯粹的：male chauvinism 大男子主义 | unadulterated 纯粹的 | Just my luck 真倒霉

4. 未掺杂的;纯粹的;真正的;地道的;自然的;朴素的：unactivated state 末激活(状)态 | unadulterated 未掺杂的;纯粹的;真正的;地道的;自然的;朴素的 | unaflow 单流;直流

1. 未掺杂的;纯的
Something that is unadulterated is completely pure and has had nothing added to it.

e.g. Organic food is unadulterated food produced without artificial chemicals or pesticides.
有机食品是未使用人工化学制剂和杀虫剂的纯净食品。

2. （常用于强调不好的品质）十足的，纯粹的，地道的
You can also use unadulterated to emphasize a particular quality, often a bad quality.

e.g. It was pure, unadulterated hell.
那里简直就是个不折不扣的地狱。

adj

1. without qualification
used informally as (often pejorative) intensifiers

e.g. an arrant fool
a complete coward
a consummate fool
a double-dyed villain
gross negligence
a perfect idiot
pure folly
what a sodding mess
stark staring mad
a thoroughgoing villain
utter nonsense
the unadulterated truth

Synonym: arrant(a)complete(a)consummate(a)double-dyed(a)everlasting(a)gross(a)perfect(a)pure(a)sodding(a)stark(a)staring(a)thoroughgoing(a)utter(a)

2. not mixed with impurities

e.g. unadulterated maple syrup