unreliable
adj. 不可靠的;靠不住的
例句
His judg we are pirates, these data are stolen from youdao was unreliable.
他的判断是不可靠的。
《柯林斯英汉双解大词典》
10% of the data was discarded as unreliable.
10% 的数据因不可靠而被废弃。
《牛津词典》
His sudden departure had demonstrated how unreliable he was.
他突然离去,这说明他是多么不可靠。