- 
                不期而遇
                [bù qī ér yù]
                
                                        It translates to an unexpected encounter which means something happening by accident without prediction ...
                
             
                        - 
                不经意间
                [bù jīng yì jiān]
                
                                        Meaning Inadvertently or By Accident it signifies unintentional spontaneous moments It could ...
                
             
                        - 
                不期而遇狭路相逢
                [bù qī ér yù xiá lù xiāng féng]
                
                                        Translates into An unexpected encounter at a narrow path crossing implying an unplanned meeting ...
                
             
                        - 
                不知不遇
                [bù zhī bù yù]
                
                                        This can mean encountering someone unexpectedly or unknowingly expressing chance encounters ...
                
             
                        - 
                早知道是这样如梦一场
                [zăo zhī dào shì zhè yàng rú mèng yī chăng]
                
                                        It implies the feeling of hindsight ; if one had known the outcome earlier perhaps things would have ...
                
             
                        - 
                妄遇
                [wàng yù]
                
                                        Unfortunate Encounter suggests an encounter characterized by misunderstanding fatefully meeting ...
                
             
                        - 
                都是好奇心惹的祸
                [dōu shì hăo qí xīn rĕ de huò]
                
                                        Meaning all trouble stems from curiosity this idiom suggests that unwanted situations often arise ...
                
             
                        - 
                无意闯入
                [wú yì chuăng rù]
                
                                        Translated as enter unintentionally it may signify unexpectedly arriving in some place or situation ...
                
             
                        - 
                上错了车却有不一般下错了站却有不一样
                [shàng cuò le chē què yŏu bù yī bān xià cuò le zhàn què yŏu bù yī yàng]
                
                                        It means that although youve made a mistake initially eg getting on the wrong bustrain the journey ...