- 
                人心最难懂
                [rén xīn zuì nán dŏng]
                
                                        It means The Most Difficult Thing to Understand is People ’ s Hearts This reflects the complexity ...
                
             
                        - 
                男人心海底针
                [nán rén xīn hăi dĭ zhēn]
                
                                        The idiom suggests that it is extremely difficult to understand a mans heart because its like trying ...
                
             
                        - 
                猜不透人心
                [cāi bù tòu rén xīn]
                
                                        Unable to understand peoples hearts — it reflects feelings of bewilderment towards complex human ...
                
             
                        - 
                人心猜不透
                [rén xīn cāi bù tòu]
                
                                        Means The heart cannot be figured out Expresses the complexity and depth of human emotions and ...
                
             
                        - 
                人心很深不曾看透
                [rén xīn hĕn shēn bù céng kàn tòu]
                
                                        Indicates the complexity and unfathomable nature of human intentions or emotions It means human ...
                
             
                        - 
                人眼终看不透人心
                [rén yăn zhōng kàn bù tòu rén xīn]
                
                                        It implies that its hard to truly understand someone ’ s heart or intentions just by looking at them ...
                
             
                        - 
                不知男人心不懂女人心
                [bù zhī nán rén xīn bù dŏng nǚ rén xīn]
                
                                        Unable To Understand Both Mens And Womens Hearts suggests feeling bewildered by human emotions ...
                
             
                        - 
                人心难辩
                [rén xīn nán biàn]
                
                                        This can be interpreted as human hearts are hard to understand It reflects the complexity and unpredictability ...
                
             
                        - 
                人心半遮半掩谁人看清
                [rén xīn bàn zhē bàn yăn shéi rén kàn qīng]
                
                                        This suggests the ambiguity and concealed nature of peoples hearts It is difficult for anyone to ...