This is the 18776th most frequent Korean word.
실망했다
"실망했다" means "was disappointed."
In this sentence, '실망했다' conveys the emotion of disappointment caused by the friend's dishonesty.
그는 친구의 거짓말에 실망했다.
He was disappointed in his friend's lie.
Here, '실망했다' is used to express collective disappointment due to someone's behavior.
우리는 그의 행동에 깊이 실망했다.
We were deeply disappointed by his actions.
In this instance, '실망했다' reflects personal disappointment resulting from unmet expectations in a situation.