万难的英文：
all difficulties; extremely difficult

参考例句：

"Two cats and a mouse, two wives in one house, two dogs and a Bone, never agree in one"
两猫伴一鼠,两妻居一屋,两狗肯一骨,万难同相处

all是什么意思：
adj. 一切的，所有的；整个的；各种的
pron. 一切；全部；大家，全体
n. 全部财产；所有一切
adv. 完全地；极其

The policy of burn all,kill all,loot all
三光政策

It is all on the house.
费用全由敝店支付。

(all) in a twitter
(极度) 紧张[兴奋],激动

difficulties是什么意思：
n. 困难，艰难；难点，难事，困境；异议，反对，争论

I appreciate your difficulties.
我理解你的困难。

No difficulty can overwhelm us.
困难压不倒我们。

Inevitably, the proposal is running into difficulties.
提案意料之中地遭遇了麻烦。

extremely是什么意思：
adv. 极端地，非常地，很

in an extremity
智尽力竭|陷入绝境

relative extreme
相对极值

It is extremely corrosive.
它是极强的腐蚀剂。