Most Europeans conceive living a single life as unacceptable.
分析:Most Europeans是主语, conceive 是及物动词作谓语动词,living a single life是动名词短语作宾语, as unacceptable 是“介词+形容词”作宾语补足语。
“as + 形容词”作宾语补足语,用来说明宾语的特征。如:
He considered the plan as practical. 他认为这项计划切实可行。(摘自赵俊英:《现代英语语法》p.831)
They regard the boy as (being) clever. 他们认为那男孩很聪明。(摘自《英汉多功能词典》新编升级版p.93)