During the conference connectivity was occasional at best, and completely down at worst.会议期间，网络连通性往好了说是时断时续，往坏了说是完全崩溃。She was totally in pieces.她完全崩溃了。Its heavily-subsidized economy is in ruins.其靠大量资助维持的经济已经完全崩溃了。There had been a complete breakdown of trust and confidence.信用和信心曾经一度完全崩溃。