Definition
To have a sad or unhappy facial expression.
面露愁容
She failed her exam, so she's had a long face all day.
她考試沒過，所以整天都愁眉苦臉。
Don't have such a long face; things aren't that bad.
別這樣愁眉苦臉的，事情沒那麼糟。
I had a long face immediately when I saw my car was scratched.
當我看到車子被刮花時，立刻愁眉苦臉。