Tā mèngxiǎng yǒu yī tiān néng chéngwéi shěnpànguān.
He dreams of becoming a judge one day.
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审判官 has an old-fashioned / cinematic ring — common in historical dramas, religious contexts (审判官 'inquisitor'), and translated fantasy. Modern PRC courts use 法官 (fǎguān) for 'judge' in news and legal documents.