"unreliable" in Chinese (Simplified)
不可靠
Definition
某人或某事不可靠，意味着不能信任其按预期行事或正常运作。
Usage Notes (Chinese (Simplified))
“Unreliable” 通常用于人、设备或信息，语气较温和。常见于表达如：'unreliable source'（不可靠的来源）、'unreliable friend'（不靠谱的朋友）。比 'untrustworthy'（不可信赖）弱。
Examples
My old phone is unreliable and often stops working.
我的旧手机很**不可靠**，经常坏掉。
You cannot trust an unreliable person with important tasks.
你不能把重要任务交给**不可靠**的人。
The train schedule is unreliable during storms.
暴风雨时火车时刻表很**不可靠**。
His excuses sound pretty unreliable to me.
他的借口听起来非常**不可靠**。
Sorry, but the Wi-Fi here is totally unreliable.
不好意思，这里的Wi-Fi完全**不可靠**。
That news website is known for being unreliable.
那个新闻网站以**不可靠**著称。