推燥居湿 meaning in Chinese

give up a dry place on the bed and lie in a damp one -- the hardship of nourishing an offspring; give the best to the young; give up the dry place to the child and sleep in the corner wetted by it; sleep on a bed sheet wet by one's child and let the child sleep where the sheet is dry -- the loving care a mother gives to her child; the pains in nursing a child