spare oneself

例句：

1. 1. We need to spare some money for the trip.
   我们需要为这次旅行节省一些钱。
2. 2. He spared no effort in his research.
   他在研究中不遗余力。
3. 3. She spared no expense to make her wedding a success.
   她不惜一切代价来确保她的婚礼成功。