出典:Tatoeba
She looked incredulous.
She had the decency [delicacy, good taste] not to mention it.
She was unconscious of her mistake.
She didn't acknowledge that.
An unconscious smile came to her lips.
She showed no interest in shopping.
She was confused, and couldn't calm down.
She did nothing but complain.
She failed to understand a single word.
She looks like she didn't understand that yet.