defend ...against 和defend...from有什么区别吗?

求高人指点defend……from 和insure……against的区别 protect和defend有什么不同 defend.against的反义词 关于protect和defend. 求protect,prevent,defend+sb from doing的区别 PROTECT,DEFEND,DEFEAT在意义和用法上有何区别? [英语]词义分辨guard 和 defend 和 protect 的区别 请问 protect defend guard preserve的区别 pretect/defend/guard/preserve四者区别? defend,guard,preserve,keep的区别 The law allows people to defend themselves against a charge Contractor shall defend and hold Company harmless against an