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. 他的胃仍然感到反胃，他感谢新鲜的空气。
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，她感到内心不安。
Word Originlate Middle English queisy, coisy ‘causing nausea’, of uncertain origin; perhaps related to Old French coisier ‘to hurt’.