按部就班 (àn bù jiù bān) | Meaning: (idiom) to follow the prescribed order; to keep to the working routine | Chinese Idiom with Pinyin & Origin

in sequence, step by step (idiom); to make steady progress incrementally循序渐进xún xù jiàn jìn

hidebound by convention (idiom)墨守成规mò shǒu chéng guī

according to; in light of依照yī zhào

(idiom) to follow the prescribed order; to keep to the working routine