Yǎngmǔ duì tā de chéngzhǎng fùchū le hěn duō xīnxiě.
His adoptive mother put a great deal of effort into raising him.
Tips
usage
养母 contrasts with 生母 (birth mother). The character 养 (to raise/rear) forms a productive family: 养父 (adoptive father), 养子 (adopted son), 养女 (adopted daughter).