10분 정도 늦을 것 같아요.
Sippun jeongdo neujeul geot gat-ayo.
Polite informal — friend or coworker.
"I will be 10 minutes late."
A natural Korean way to give a heads-up that you’re running late. The 것 같아요 ending softens it from "I will" to "I think I will".
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