Ships became unwitting carriers of the species, moving larvae between harbors in their ballast water.
船只在不知情中成了该物种的携带者，用压舱水把幼体带到各个港口。
Which choice best defines “unwitting”?
B — Not aware; unintentional.. “unwitting” means Not aware; unintentional..
Which word means “Not aware; unintentional.”?
C — unwitting. “unwitting” means Not aware; unintentional..
unwitting — Not aware; unintentional.. In Chinese: 不知情的；无意的.
unwitting is pronounced //ʌnˈwɪtɪŋ//.
Ships became unwitting carriers of the species, moving larvae between harbors in their ballast water. (船只在不知情中成了该物种的携带者，用压舱水把幼体带到各个港口。)
unaware, unintentional, inadvertent — all close in meaning to unwitting (Not aware; unintentional.).
deliberate, conscious — each the opposite of unwitting (Not aware; unintentional.).
Yes. unwitting is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
un(不) + wit(知) → 浑然不知。