not certain or decided没把握的;未确定的
Simon's still kind of iffy about going to Colombia.西蒙还有点儿没拿定主意是否要去哥伦比亚。
not completely good, honest, or suitable有点儿坏的;不很诚实的;不大合适的
The milk smells a bit iffy.这牛奶闻起来有点儿不对劲。
I was hoping to go to the park but the weather's looking a bit iffy.我本打算去公园,但天气看起来不大好。