poor可以用在以下几个场景中：
1. 形容能见度差：Visibility was poor 。
2. 描述一个可怜的人或物：The poor little thing! It's lost its mother 或者 He's a poor actor 。
3. 谈论贫穷的人或社区：Even the poor have their pride或者 They provided food and shelter for the poor 。
4. 描述服务差或者质量差：The most common complaint is about poor service或者 That band really was piss-poor 。
5. 表示对某人的同情或者遗憾：poor Emily, Her kinsfolk should come to her或者 He died a poor man 。