日本語がわからないならの英語

Do you understand Japanese?

No, I don't understand Japanese.

The Japanese are weak in languages―poor linguists.

He is all the better for his ignorance of Japanese.

Why are you bad at Japanese?

He is all the better for his ignorance of Japanese.

I don't speak Japanese.

to be completely unable to understand

I can't say what his motive is.

I couldn't speak Japanese.

I can only speak Japanese.

We can't speak Japanese.

John can't speak Japanese.

I haven't been able to speak Japanese since some time ago.

John cannot speak Japanese.

the degree to which something is illegible

I don't know Japanese.

John doesn't speak Japanese.

I don't know how much Japanese you can speak.

He has no understanding

He lacks sense.

Some passages are obscure in meaning.

of a condition, ignorant of

I can not say for certain.

in ignorance

I cannot speak Japanese.

I cannot speak Japanese.

I cannot read Japanese.

I don't know the Japanese translation to this English sentence.

a sentence written in Japanese