动词 spend 在英语中常用于表示“花费（时间或金钱）”。以下是其最常见的几种固定搭配及例句：
1. spend + 时间/金钱 + on + 名词
- She spends a lot of money on clothes.
- He spent two hours on his homework.
2. spend + 时间 + (in) + 动名词（doing something）
- They spent the whole day hiking in the mountains.
- I spent an hour (in) reading the news this morning.
3. spend + 时间/金钱 + with + 人
- We like to spend weekends with our grandparents.
- He spent all his savings with his friends on vacation.
4. spend oneself (精疲力尽)
- After the marathon, she was completely spent.
注意事项
- Spend 是不规则动词，过去式和过去分词均为 spent。
- 不要与 cost、take 或 pay 混淆，它们的主语和结构不同。