 Complete the following phrase:  Often the four characters reflect the moral behind the story rather than the story itself. For example, the phrase  , lit: break the pots and sink the ships is based on a historical account where the general Xiang Yu ordered his troops to destroy all cooking utensils and boats after crossing a river into the enemys territory. He won the battle because of this no-retreat strategy. Thus, the idiom is used as a verb phrase with the meaning to make an all-out effort to achieve success by the deliberate removal of recourse or backup. Similar phrases are known in the West, such as Burning ones boats, burning ones bridges, Point of no return or 