That meat smells a bit iffy to me.

那块肉闻起来有点变质了。

《牛津词典》

If your next record's a bit iffy, you're forgotten.

如果你下一次记录有点问题，你就会被遗忘。

《柯林斯英汉双解大词典》

The weather looks a bit iffy .

这天气看上去很难说。

youdao

And because these figures are a bit iffy, it makes it more difficult to develop economic growth policies.

BBC: Stands Scotland's economy where it did?

The industry is readying for a rebound (although timing and strength still look a bit iffy), and investors have flocked back to the sector.

FORBES: Is It Too Late To Bet On Boeing's Dreamliner?