This is the 18023rd most frequent Korean word.
수상해
"Suspicious" or "fishy."
Here, '수상해' is used to describe the suspicion towards a person's behavior.
저 사람이 수상해.
That person is suspicious.
In this case, '수상해' is used to indicate that an object appears suspicious or untrustworthy.
이 물건은 수상해 보인다.
This item looks suspicious.
Here, '수상해' is applied to something seen in the garden that raises concern or curiosity.