unaffected

1. ADJ If someone or something is unaffected by an event or occurrence, they are not changed by it in any way. 未受影響的[v-link ADJ]

She seemed totally unaffected by what she'd drunk. 她似乎完全沒有受到所喝的東西的影響。

2. ADJ If you describe someone as unaffected, you mean that they are natural and genuine in their behaviour, and do not act as though they are more important than other people. 質樸的[表贊許]

...this unaffected, charming couple. …這對質樸、可愛的夫婦。