feeling sick; wanting to vomit 恶心的；欲吐的 Travelling by boat makes me queasy. 我乘船旅行会觉得恶心不适。 His stomach still felt queasy and he was grateful for the fresh air. 他的肚子仍然感到不适，他为新鲜的空气而感激。
slightly nervous or worried about something 稍感紧张的；略有不安的；心神不定的 Now she’d arrived she felt queasy inside. 现在她到了，她内心很不舒服。
Word Originlate Middle English queisy, coisy ‘causing nausea’, of uncertain origin; perhaps related to Old French coisier ‘to hurt’.