咽苦吐甘

Explanation: That poor mothers to eat their own food, and sweet things to infant feeding. Described the mother of tough love. 　　Source: "Old Tang Shuli Miriam Chi seven" child of the parent, loving very deep; non-female infertility; push home wet dry, spit swallow bitter sweet, fruitful Laocui, Burns pole carry on. " 　　Examples: Thinking about him ~, cuddle dry to wet, Zensheng flattering. ★ per Anonymous "slave children of God," the third off