常見例句The leading role is played by a complete unknown. 縯主角的是一個毫無名氣的縯員。The star of the film is a previously unknown actor. 這部電影裡的明星以前是個默默無聞的縯員。Its greater part is unknown to me. 它的大部分對我是未知的。He was an unknown painter one year ago. 一年前,他還是一個不爲(wèi)人知的畫家。This is a fact hitherto unknown. 這是一個至今無人知道的事實(shí)。A quantity of unknown numerical value. 未知數(shù)數(shù)值不明的一個數(shù)量 返回 unknownness