1.From now on my apprehension of not being understandable dissipated irretrievably!
从此刻开始,以我的理解,我的难于理解永久的不会再存在了。
3.Something treasured had been irretrievably lost, and there was nothing to be done about it.
珍爱的东西无可挽回地失去了,做什么也都于事无补了。
4.The marriage was described in court documents as "irretrievably broken" with no point in trying to reconcile.
离婚判决书称这段婚姻“完全破裂、无可挽回”,没有必要尝试调解。