" I called their hotline and was getting a busy signal. Over three weeks, I probably called 500 to 600 times."

我打了他们的热线，但听到的却是忙音。三个星期后，我大概打了500到600次电话。”

I tried calling my mom and I couldn`t get through, there was a busy signal.

我试着打电话给我妈妈，但打不通，是忙音。