irretrievable
adjective uk/ˌɪr.ɪˈtriː.və.bəl/ us/ˌɪr.əˈtriː.və.bəl/
无法纠正的,不能恢复的,无法挽救的
impossible to correct or return to a previously existing situation or condition
I agree things look difficult, but the situation is far from irretrievable. 我承认情况看起来不妙,但局势还远远没到无法挽救的地步。
The couple separated on the grounds of irretrievable breakdown (of their marriage). 这对夫妇因(婚姻)关系破裂无法挽回而分居。