made by humans, not naturally occurring

人造的，非自然形成的

not genuine in feeling or behavior; affected or forced

不真诚的；做作的

not natural or normal; imposed or contrived without regard to context

不自然或不正常的；不顾情境而人为设定的

based on convenient identifying features, not true relations (classification)

依据便于识别的特征，而非真实的分类关系

in card games, conveying a conventional meaning, not literal

在纸牌游戏中，表示约定俗成的含义，非字面