扫兴 (sǎo xìng): เพื่อทําให้เสียสิ่งต่างๆ

Everyone was having a good time, but suddenly the power went out—how disappointing.

We planned to go hiking this weekend, but the weather forecast said there would be a storm; this bad news disappointed everyone.

Don't be a spoilsport; let's sing and dance together and have some fun!

At the birthday party, Xiao Li kept complaining about work, which really spoiled the mood.