英和和英

must not

not causative

To do my utmost, I can not do it

That [Just because of that, it] doesn't mean I don't have to go.

I can do nothing

the state of being disappointing

the degree to which something is not feasible

something that cannot be allowed

Since it is done, it can not be undone.

of a condition, intolerable

Something is wrong [the matter] with the spring.

It is impossible for me to go.

to be worried that a certain thing is not accomplished

He is not much of a scholar―not much of a one.

It can not but be so.

I can't go.

out of the [a person's] way

No, I can't.

not to be able to accomplish

not capable of being retracted

He is gone, then.

Can't do it

He is nothing of a scholar―no scholar （at all）.

to be unable to endure

The cause is not yet ascertained.

I cannot afford to be idle.

It can't be!

the reason for the existence of something

I wouldn't dare.

If you let him have his own way, he will end by pulling the house about his cars.