防御

jié chéng méng yǒu jīng cháng shì wèi le gòng tóng fáng yù

结成盟友经常是为了共同防御。

Leagues are commonly formed for mutual defense.

yōu mò shì bǐ bào lì gèng yǒu xiào de fáng yù wǔ qì

幽默是比暴力更有效的防御武器。

Humour is a more effective defence than violence.

wǒ men yào jiā gù dī fáng fáng yù hóng shuǐ de xí jī

我们要加固堤防，防御洪水的袭击。

We must strengthen the embankment to prevent floods.

fáng yù zhàn

防御战

war of defence

zòng shēn fáng yù

纵深防御

defence in depth

yóu fáng yù zhuǎn jìn gōng

由防御转进攻

go over from the defensive to the offensive

huà xué fáng yù

化学防御

chemical defence

fáng yù lì liàng

防御力量

defensive strength

jī jí fáng yù

积极防御

active defense

gòng tóng fáng yù

共同防御

work together for the common defence

fáng yù jì huà

防御计划

scheme of defence

chéng shì fáng yù

城市防御

city fortification