living in Farley Court by himself.
他独自住在法利大楼。
the patient often learns to undress by himself.
病人常要学习自己脱衣服。
See main entry:by
英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。