iffy

US /ˈɪf.i/
UK /ˈɪf.i/
"iffy" picture
1.

不确定, 可疑的

doubtful or uncertain

:
The weather looks a bit iffy for a picnic.
野餐的天气看起来有点不确定
His chances of winning are still iffy.
他获胜的机会仍然不确定
2.

靠不住的, 质量可疑的

of questionable quality or reliability

:
The car's brakes feel a bit iffy.
汽车的刹车感觉有点靠不住
I'm not sure about that restaurant; the hygiene is a bit iffy.
我不确定那家餐厅;卫生状况有点靠不住