adj.忘我的；自我牺牲的
I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
I my self is going to make a sandwich. 我要亲手做个三明治。
He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
He's not looking like his old self lately. 他最近看起来不像以前那样。
