"beyond my ken"
"out of sight of land"
Sex..was something beyond his ken, which he never consciously thought about.
I dinna ken what ye mean, Alec.
He kens the difference yet of right and wrong.
Perhaps the authorities..didnae ken his faither, for they made his son Professor of..Astronomy!
牛津高階第八版
美國韋氏詞典
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維基百科 (自由的百科全書)