1. 怠惰的：languor 怠惰 | languorous 怠惰的 | languorously 疲倦地

2. 懒散的,倦怠的：GRE词汇指导:填空常用的单词集合之L字母 | languorous:懒散的,倦怠的 | lantitude: n.1.纬度 2.回旋余地,自由

3. 倦怠的; 令人倦怠的 (形)：languor 怠惰, 无气力, 疲倦 (名) | languorous 倦怠的; 令人倦怠的 (形) | languorously 倦怠地 (副)

1. 懒洋洋的；慢悠悠的
    If you describe an activity as languorous, you mean that it is lazy, relaxed, and not energetic, usually in a pleasant way.

    e.g. ...languorous morning coffees on the terrace.
           清晨在露台上悠然自得地啜着咖啡

1. lacking spirit or liveliness

    e.g. a lackadaisical attempt
           a languid mood
           a languid wave of the hand
           a hot languorous afternoon

    Synonym: dreamylackadaisicallanguid