He has that je ne sais quoi that distinguishes a professional from an amateur.

他有那种难以言表的特质，体现出他是专业而非业余的。

《牛津词典》

The output power of this He-Ne laser can be enhanced by increasing its transverse dimension.

对这种氦氖激光器，可利用增加其横向尺寸来提高输出功率。

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Objective To observe the effect of he-ne laser irradiation on injured tympanum.

目的观察低功率氦—氖激光局部照射对鼓膜外伤的疗效。

youdao

Then he read about a famous French magician named Jean Eugne Robert-Houdin.

VOA: special.2010.12.19

But, after hearing Maurice Chevalier sing the tuneful trifle, Donnez Moi La Main Mamz'elle Et Ne Dites Rien, he announced that he too wanted to be a "chansonnier".

BBC: Aznavour bids adieu

The Red Dog came into being when Mark Unobsky's father warned his ne'er-do-well son that he'd better find something to do with his life, whereupon Unobsky talked his dad into buying a building in downtown Virginia City that he could get his friends to turn into a retreat from their lives as students and workers in San Francisco.

NPR: Dylan, the Red Dog and the Real Summer of Love

Surely he would prove to be not so much the reductio ad absurdum as the dernier cri, the ne plus ultra in the once-rarefied realm of tsardom?

ECONOMIST: It is time to let the Russian royal family rest in peace