"The economy, stupid!"
"he had a dazed expression on his face" "lay semiconscious, stunned (or stupefied) by the blow" "was stupid from fatigue"
"a dull job with lazy and unintelligent co-workers"
误 It is stupid for him to do such a thing.
正 It is stupid of him to do such a thing.
析stupid 常用于 It is/was stupid of sb to- v 的结构中,作“某人做…是愚蠢的”解。在此种句型中,不能用介词for代替of引出逻辑主语。