protect against与 guard against 有区别吗 防止骄傲是该用哪一个?

对不起重新纠正一下
guard against 防止, 防范
Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手.
Yearly guardagainst famine; nightly guardagainst thieves年年防旱夜夜防盗
protect against 反对 ... 以保护
如
Such guards also protectagainst fraying by roe deer.
这种保护措施还可防止獐鹿摩擦损伤.
It can be used for devising systems to protectagainst frost damage.

guard against pride and rashness戒骄戒躁（习惯表达）