He added the numbers mentally; he did not need a pencil and paper.
他
算数字，不需要纸和笔。
理
;精神
力
词地;，身体;;地;地;;;;
障；力迟钝力障碍的；精神障碍的He added the numbers mentally; he did not need a pencil and paper.
他算数字，不需要纸和笔。
She mentally rehearsed what she would say to Jeff.
她在里复述着要对杰夫说的话。
He was so slow that many thought him mentally retarded.
他迟钝得很,许多人以为他力低下。
He was out of sorts physically, as well as disordered mentally.
他浑身不舒
, 
也很乱。
By tacit agreement, Clark's friends all avoided any mention of his mentally ill wife.
克拉克的朋友们照不宣, 绝口不提他那位患精神病的妻子。
Mentally she's very stable.
她情十分稳定。
Visiting that hospital for the mentally ill really brought home to me how sad some people’s lives are.
探访那家精神病院使我深深体会到有些人的生活有多么不幸。
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