词汇：unreliable

adj. 不可靠的；靠不住的

相关场景

Public transport in my city is never on time. It's unreliable. It's always overcrowded.

>> questions

But that was a normal hazard, the horses being unreliable and the prickly pear abundant.

>> Lonesome Dove 孤鸽镇

Some unknown, untested, possibly dangerous drug scammed out of some unidentified lab somewhere given to me by a highly unreliable guy I hadn't seen in years.

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Faulty steering and unreliable brakes.

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