适当

例句：

1. 1. The dressis not appropriate for the occasion.
   这件衣服不适合这个场合。
2. 2. She decided to wear ahat that was appropriate for the weather.
   她决定戴一顶适合天气的帽子。
3. 3.The teacher asked us to use appropriate languagein class.
   老师要求我们在课堂上使用适当的语言。