I am capable of defending myself.我能够保护自己。
They would have killed him if he had not defended himself.如果他当时不自卫, 他们可能已经把他杀了。
英汉双解词典包含368430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。