● I'm a bit subdued.
She seemed a bit subdued at lunch - is she all right?
● I'm unhappy.
With all his wealth , he is still unhappy .
● I'm feeling gloomy.
His knee pained him, and he felt gloomy .
● I'm down in the dumps.
dumps (憂鬱)，down in the dumps (沮喪的; 抑鬱的)
John was down in the dumps after losing his job .
● I'm out of sorts.
out of sorts (心緒不佳)
I just think you're out of sorts today .