•an involved reason/excuse/argument复杂的原因／借口／论据

•The plot of the film was too involved - I couldn't understand it.这部影片的情节过分复杂——我看不懂。

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•emotionally/romantically involved产生感情的／堕入情网的

•Try not to become too emotionally involved with the children in your care.尽量不要对你所照顾的孩子过于牵肠挂肚。