unreliable
US /ˌʌn.rɪˈlaɪə.bəl/
UK /ˌʌn.rɪˈlaɪə.bəl/
1.
不可靠的, 不值得信赖的
not able to be relied upon; not dependable
:
•
The old car was very unreliable, often breaking down.
那辆旧车非常不可靠，经常抛锚。
•
His information is often unreliable, so double-check everything.
他的信息常常不可靠，所以要仔细核对。