英和和英

for what reason

why

why

Now, this is really important.

This is because...

why on earth

why on earth

with greater reason

What is the raison d'

the reason for something

a just cause

the reason of something

the final cause

to be weighty and important

the where and the why of it

the degree of importance

having consequence

the condition of a thing of being important

for those reasons

In any case, it is a matter of grave significance.

My reason holds good.

reason for being

cause to point

cause to be unpretentious

a reason

It is a matter of grave significance.

of something, a state of being treasured

with good reason

to assign a reason（for doing something）

to assign a reason （for doing anything）