elves
例句
She was reluctant to confess her ignorance.
她不愿意承认自己无知。
《牛津词典》
Pardon my ignorance, but what is a 'duplex'?
请原谅我无知,duplex是什么呢?
Ignorance of roaming call charges is common.
不知道漫游电话收费情况很普遍。
《柯林斯英汉双解大词典》