出人意料 (chū rén yì liào): ไม่คาดคิด (สํานวน)

The result of the match was unexpected; the weak team actually beat the strong team.

His decision was unexpected; no one thought he would resign.

The ending of this movie is unexpected, taking the audience by surprise.

Unexpectedly, he actually got a perfect score.

The weather turned cold unexpectedly, and everyone quickly put on their coats.

His reaction was unexpected; he actually started laughing.