柯林斯詞典tied up 1. ADJ If someone or something is tied up, they are busy or being used, with the result that they are not available for anything else. 正忙著的; 正在使用的[非正式] [v-link ADJ] He's tied up with his new book. He's working hard, you know. 他正忙他那本新書--你要知道他現(xiàn)在確實很努力工作。 返回 tied up