她倾国倾城比我好
[tā qīng guó qīng chéng bĭ wŏ hăo]
'She's so beautiful it topples nations; she's better than me.' This refers to someone (usually male) recognizing and admiring another's superiority or excellence over oneself in terms of beauty, character or abilities. It expresses modesty and respect towards the 'she' being referred to with possible elements of love or self-deprecation.