it looks like; it seems (to me) (that…)From 보이다 (“to be seen; to look”) + -는데. Used to express the speaker’s observation/guess (“it looks/seems…”) and often to gently lead into a suggestion, question, or contrast.
KO: 밖에 비가 오는 것처럼 보이는데, 우산 가져갈까요?
EN: It looks like it’s raining outside—should we take an umbrella?