undependable
US /ˌʌn.dɪˈpen.də.bəl/
UK /ˌʌn.dɪˈpen.də.bəl/
形容词
不可靠的
not able to be trusted and not likely to do what you expect:
示例:
•
Electricity is so undependable that lights go out in the capital several times a day.