adapt oneself to the new surroundings 适应新环境
accustom oneself to this lifestyle 适应这种生活方式
devote oneself to singing 沉溺于唱歌
apply oneself to learning English 致力于学习英语
addict oneself to sorrow 沉溺于忧伤之中
bury oneself in the books 埋头于读书
busy oneself with the housework 忙于家务