听其言观其行

词语解释

听其言观其行[ tīng qí yán guān qí xíng ]

⒈  听一个人说什么，又看他做什么，常有“不仅要听他说的，更重要的是看其做的如何”的含义。

英listen to what a person says and watch what he does; take note of sb.'s words but judge him by his deeds;