It was a mark of his unfamiliarity with Hollywood that he didn't understand that an agent was paid out of his client's share.他居然不知道经纪人的报酬得从其客户的收入中出，这说明他对好莱坞太不了解了。Her temporary shyness was due to her unfamiliarity with the environment.她暂时的害羞是因为对环境不熟悉。His unfamiliarity with the language made the trip very challenging.他不懂那种语言，因此此次旅行非常具有挑战性。