敏感

"do you know what happened to his lips?" asked principal.
"I've no idea. But his lips as been like that since he came yesterday."
and i assumed that he got the bruise at home. I did asked him when i noticed about that, but he seemed not telling what was happened to him.
Principal continued, "he got that in school, his parent said."
It's actually a sensitive issue --- everything that happens to a kid. But sometimes, accidents just happen, and they make the kids and I grow.