偉そうなことは言えないけどの英語

I can't say something good.

It would be safe to say―I should be safe in saying―that...

It gives unspeakable pleasure.

of speech, uncalled for

I can't even say goodbye.

With all his faults, he is a great man.

My lips are sealed.

It is an unspeakable pleasure.

I am struck dumb with astonishment―I am dumfounded―（他動詞構文にすれば）―Astonishment deprives me of my power of speech.

I cannot say clever things.

I cannot say clever things.

I can not speak for astonishment―（他動詞構文にすれば）―Astonishment deprives me of my power of speech.

I cannot say no.

I will not force you to do anything against your will.

My joy is indescribable

He is mean, to say the least of it.

I am dumfounded―dumb with astonishment―It is enough to make a cat speak.

I cannot say goodbye.

I can not say for certain.

He will probably tell you some good news.

It's hard to say, but...

We can never be completely satisfied.

being hesitant to say something

I can't flatter people.

Complaining won't change anything.

the degree of awfulness of something

I find it hard to break the ice.

I will not force her to do anything against her will.

the degree of awfulness of something

I find it hard to say when I am not drunk.