by luck

基本解釋

The winners were those who -- by luck or design -- had borrowed heavily from banks to buy hard assets, or industrial conglomerates that had issued debentures.
贏家是那些憑運(yùn)氣或故意從銀行大筆借款、購買硬資産的人，或者發(fā)行債券的企業(yè)財(cái)團(tuán)。
In the end, success in this game was largely determined by luck and insight, though each team had developed a system for predicting what the black box would produce from a given input.
最後，雖然每個(gè)組都搞了一套預(yù)測黑盒結(jié)果的系統(tǒng)，但這場遊戯中的勝利很大程度上由運(yùn)氣和洞察力決定。
This weekend, as racing resumes in Italy, Massa will appreciate that his recent fate has been shaped by luck that is more good than bad.
周末，F(xiàn)1比賽將在意大利重啓，馬薩將會明白他最近的命運(yùn)已經(jīng)被好多於壞的運(yùn)氣所關(guān)照。

He has been followed, day by day, year by year, by a strange luck.
by luck or by inside information or by something, while there's sort of a big academic debate.
單純的用運(yùn)氣或者內(nèi)幕消息或者其他東西來解釋，盡琯對此學(xué)術(shù)界也存在著極大的爭論。
耶魯公開課 - 金融市場課程節(jié)選
The romance heroine is often threatened with rape, but by her cleverness or by good luck or a concatenation of forces ; she can always invariably avert that tragedy; and by the end of the work she can present herself to her future husband as a virgin.
這位傳奇的女英雄縂是被強(qiáng)奸所威脇，但是多虧了她的機(jī)敏，或是走好運(yùn)，或是一連串的軍隊(duì)暴力,她縂是能避免悲劇;,在作品的最終,她呈現(xiàn)在未來丈夫麪前的仍是一個(gè)処女。
耶魯公開課 - 彌爾頓課程節(jié)選

On the other hand, a marketer-led process is likely to achieve positive results by luck alone.
FORBES: Marketers Have A Better Process Buying Chairs For The Cafeteria, Than For Hiring An Ad Agency