[lemma=point] [□] □
[lemma=point] [□=□] □
[lemma=point] [!□] □
By the end of that year , the battle between the duo had intensified to a point of no return . But I do n't believe we should have to get to the point of no return before we stop to take a break . Some keyboards can readily be disassembled for cleaning or adjustment , but others have a " point of no return " beyond which the pieces can be very hard to get back together again . Past the point of no return .