untrustworthy
adj. 靠不住的;不能信赖的
例句
I think he is shallow, vain and untrustworthy.
我认为他浅薄、虚荣、不可信。
《柯林斯英汉双解大词典》
Management jargon can alienate staff and leave bosses looking untrustworthy and weak, according to a survey commissioned by Investors in People.
“人力投资者”委托进行的一项调查表明,管理套话会使员工产生疏离感,同时会让老板显得不堪信任、缺乏实力。
You're irresponsible and untrustworthy.
你不负责任,不可信赖。