Four-word idioms of fertile soil

1. What are the four words of Tian Zi? Tian Lao Ye Lao Fu Tian offered to expose Tian Lao Tian Lao Fu Tian's achievements, and Fu Tian won Tian Heng's laughter. Tian Ye Lao Tian Lian Bai Qian Tian Lian Qian Bo Tian Lian's field has been closed since Gan Tian. When Tianyue sang, Tamura Chizhai was fertile and productive, and he served Tian Li. Gua Tian, Li Xia and Gua Tian's doubts about Lantian. Jia Cun Tanida returned the old field to Wenyangtian, and transferred it to Yin Tiantian, Geng Yantian, Bo Sangtian, Hai Sangtian burned the forest and returned it to the field, exhausted the ze and returned the fish to the field, and Hai Sangtian disarmed and returned to the field. Long de is in the field, and the melon field is like a field. He is like a field.