一面之交

Explanation: Only seen one side of the friendship. Metaphor of friendship is very shallow. 　　Usage: Partial official; as object; analogy friendship is very shallow 　　Source: CUI Shi Han, "the theory" and the concept of the phase of the world also, only to will l, will characterize the decision. " 　　Examples: We finally have ~, in the barracks where you wait on me; Besides, we both are the streets of people, so I Danzhao very big punishment to send a letter to you. ★ Lao She, "Rickshaw" 11 Thesaurus:  only slightly acquainted with (a person), Side of the Ya Antonym Group:  click, Yi Results sworn brothers and sisters, 8 Thanks for the cross, sworn brother (sister), ties between friends willing to sacrifice even life for each other, A friend in need is a friend indeed., Qingshenyihou, The world is but a little place, after all., a friend until death, Very friendly Heart, Sworn brothers and sisters The contract, Sworn brothers and sisters The good