precocious
UK [prɪ'kəʊ.ʃəs] US [prə-] adjective
■(especially of children) showing mental development or achievement much earlier than usual （尤指儿童）智力超常的，早熟的•A precocious child, she went to university at the age of 15.她智力超乎寻常，15岁就上了大学。 •She recorded her first CD at the precocious age of 12.她在12岁这么小的年纪就录制了自己的第一张雷射唱片。 ■mainly disapproving
■describes a child who behaves as if they are much older than they are 少年老成的•a precocious little brat装作很老练的小鬼 |