We really should know better.(我們真的應該更加了解。)

Who should know better than I?(誰能比我更清楚呢？)

I would think that your customers would know better than anybody else.(我想你的客戶對此的了解要遠勝于其他人。)

But don't tell me you never ironed before. I know better.(可你別說你以前沒熨過衣服，我看得出來。)

That's a university town after all, they know better, right?(那畢竟是大學城，他們懂得更多？)

The farmers know better.(農民了解更多。)

"If I didn't know better," she said, "I'd swear you weren't sleeping well."(“如果我沒猜錯，”她說，“你一定是沒睡好。”)

I know better now.(我現在知道了。)

Putin: "They know better than that."(普京：他們知道挑下口的地方。)

I know better than to believe him.(我才不相信他那一套呢。)