unreliable

柯林斯词典

1. ADJ If you describe a person, machine, or method as unreliable, you mean that you cannot trust them. 不可靠的
Diplomats can be a notoriously unreliable and misleading source of information. 外交官可能會提供不可靠的誤導性信息，這是衆所周知的。
His judgment was unreliable. 他的判斷是不可靠的。

Several unreliable dealers have been struck off our list of authorized suppliers .
"He's so unreliable!" she said crossly.
Managers had complained that the workers were lazy and unreliable.
I wouldn't ask Angie to do it, she's completely unreliable.
Don't be influenced by the figures , they're a bit unreliable.