n. 專家，能手
adj. 熟練的，內行的
例句
1.
He is an expert on the world's mystical religions.
他精通世界上的神秘宗教。
2.
She is a reputable expert.
她是個有聲望的專家。
3.
He has no pretensions to being an expert on the subject.
他並不以這方面專家自居。
4.
The expert is writing a theatrical review.
專家正在寫戲劇評論。
5.
To her expert eye, the painting was terrible.
她以內行的眼光看，這幅畫糟透了。
6.
He is an expert in unarmed combat.
他是徒手格鬥的能手。
7.
He is an well-known expert in finance.
他是知名的金融專家。
8.
According to expert opinions, they gave up the experiment immediately.
根據專家們的意見，他們馬上放棄了這項試驗。