尽管我们多次呼叫，那位老人依然没有反应。

The elderly man remained ___unresponsive despite our repeated calls.

无论我说什么，他总是面无表情，毫无反应。

No matter what I say, he always remains ___unresponsive and expressionless.

我的电脑突然卡住了，鼠标点击完全没有反应。

My computer froze and the mouse clicks were completely ___unresponsive.