我的医疗保险不包含牙科治疗，所以这次补牙完全是自费的。

My health insurance doesn't cover dental care, so I'm completely ___out-of-pocket for this filling.

我昨天想联系他，但他的手机没信号，完全联系不上。

I tried to reach him yesterday, but his phone had no signal and he was completely ___unreachable.