Daily Chinese Idiom Guessing Game
exert a subtle, gradual influence on someone's thinking or character without their conscious awareness
潜暗中同，不见形迹；默不说话，没有声音。指人的思想或性格不知不觉受到感染、影响而发生了变化。
北齐·颜之推《颜氏家训·慕贤》潜移暗化，自然似之。”
Her parents' constant reading at home subtly influenced her love for books through osmosis.