Is Tom all right? He doesn't seem quite himself this morning. 汤姆没事吧?他今天早晨看起来不太对劲儿。
He hasn't been himself since a bad bout of flu last month.
Lucas wasn't himself for a long time after his sister died.
The last time I saw Greg, he didn't seem himself.
Adam stayed at home because he wasn't feeling himself that day.
See also: himself (MALE)