彼が成功するかしないかは彼の努力次第である。の英語

His success depends on his efforts.

Whether he succeeds or not is up to his effort.

Whether he will succeed or not depends on his efforts.

His success depends on the work he puts in.

His success is contingent upon his efforts.

His effort is unserious, and will not lead to success.

There is little doubt as to whether he will succeed or not.

It is certain that he will be successful.

That he will succeed is certain.

There is a little hope that he will succeed.

It is doubtful if he will succeed

It is doubtful whether he will succeed or not.

Whether he'll succeed or not depends on his health.

Whether he will succeed or not depends upon his health.

It is certain that he will succeed.

I doubt if he will succeed

It is doubtful whether he will succeed or not.

There is very little hope of his success.

I doubt he will succeed

I doubt whether he will succeed or not

I doubt of his success

I am doubtful of his success

I have some doubts as to his success.

His prospects of success are barred.

He has no chance of succeeding.

His success is certain―a certainty.

There is little, if any, possibility of his success.

He had hoped to succeed, but in reality, he had not.

He had hoped for success, but in fact, he did not succeed.

He had hoped to succeed, but he didn't.