Translation guide
Expressing the state of being convinced or persuaded in Japanese. This concept covers both the process of becoming convinced and the resulting state of certainty.
Expressing that you are firmly convinced or certain about a fact, idea, or belief.
The most direct and common way to say 'I am convinced.' It implies a strong, often evidence-based conviction.
I am convinced that he is innocent.
I am convinced that we will succeed.
Emphasizes that you are convinced after understanding or accepting an explanation. It carries a nuance of personal satisfaction with the reasoning.
I am convinced by his explanation.
I am convinced by that reason.
Means being convinced, but often with a nuance of a possibly mistaken belief or assumption. Use carefully, as it can imply stubbornness or error.
Can imply a mistaken conviction. Use 確信している for neutral or positive conviction.
He is convinced that he is right (but he might be wrong).
Describing the process of becoming convinced or persuaded by someone or something.
To become convinced after understanding or accepting an explanation. Commonly used when someone's reasoning wins you over.
I became convinced after hearing his story.
I finally became convinced after hearing the explanation.
To come to hold a conviction. Slightly more formal and emphasizes the acquisition of certainty.
I became convinced of his innocence.
To be persuaded or convinced by someone's argument. Passive form of 説得する (to persuade).
I was convinced by his enthusiasm.
Describing a person who is easily convinced or gullible.
確信 (kakushin) is a strong, intellectual conviction often based on evidence. 納得 (nattoku) is conviction that comes from emotional or logical acceptance, often after an explanation. Use 確信 for facts, 納得 for understanding.
I am convinced of his innocence (based on evidence).
I was convinced by his explanation (I accepted it).
彼は単純だからすぐ信じる。
He is simple-minded, so he gets convinced easily.