having or showing a lack of good sense and judgment; foolish; not serious or sensible
unable to think or feel clearly; senseless
"don't be a silly"
"gave me a cockamamie reason for not going"
"wore a goofy hat"
"a silly idea"
"some wacky plan for selling more books"
"a dizzy blonde"
"how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"
"knocked silly by the impact"
"slaphappy with exhaustion"
Do no outrages On silly women or poor passengers.
出自：Two Gentlemen of Verona , Shakespeare
His silly sheep, what wonder if they stray?
出自： W. Cowper
误 It was silly for you to make such a mistake.
正 It was silly of you to make such a mistake.
析 silly常用于It is/was silly of sb to- v 的结构中,表示“做…的事的人是很傻的”。在这种句型中,不能用介词for代替of引出逻辑主语。