Underperformer
n. 表现不佳者\\n
🗣️ 情景例句
Their after-sales service was just so bad that I decided to never buy anything from that shop again.
他们的售后服务太差了，所以我决定从此不再能家商店买东西。
What do you know?
你懂什么？
He makes many things.
他做了很多东西。