形容词
3. He was wearing casual clothes, not his school ones.
他穿着他的便服，不是他的校服。
4. The casual newspaper reader wouldn't like long articles on serious subjects every day.
随便看看报纸的人不愿每天看那些有关严肃主题的长文章。
5. casual在线翻译
5. My car had stalled and I sought help from casual passers-by.
我的车发动不起来了，我就向碰巧路过的人求助。