1.(an object or situation is) unreasonable, absurd, unbelievable 2.(a person or their behaviour is) unreliable 但实际翻译时需要根据上下文 e.g. 我跟别人一样喜欢开玩笑,但这个玩笑太不靠谱了。 I can enjoy a joke as well as the next man, but this is going too far. 他办事就是不靠谱，总是离弦。 You can't count on him to handle the affairs. He always misses the right way.

the Simply translation is unreliable.

The answer is far from the question