He pulled a gun but was immediately shot dead by the dealer, clearly a much more experienced ne 'er-do-well.

他拔枪，结果立即被交易人击毙，显然那个人在游手好闲方面更有经验。

youdao

The DNA damage effect induced by He-Ne laser was analyzed from DNA phosphoric acid skeleton structure and conformation, desoxyribose and phosphoric acid-desoxyribose as well as basic group.

从DNA的磷酸骨架基团和构象、脱氧核糖和磷酸-脱氧核糖以及碱基三个方面分析了激光对DNA损伤的效应。

youdao

Ne Engineering, as well as Habasit, is always looking to maximize customer benefits - a strong platform for successful cooperation.

东北工程，以及哈伯斯特，一直在寻找客户的利益最大化-一个强大的平台成功合作。

youdao

Oh, and we mean that not just figuratively, but literally as well -- they could actually be caused to burst into flames by some ne'er-do-well half-way around the globe.

ENGADGET: Researchers expose printer vulnerability, turn LaserJets into literal time bombs (update)

When Janet's ne'er-do-well brother (Richard Denning), who's having an affair with Madvig's sister (Bonita Granville), turns up dead, everyone assumes Madvig is the culprit.

WSJ: Dark Crimes: Film Noir Thrillers

Bertram was a bit of ne'er-do-well and met a gruesome end.

BBC: Iron 'Giant' helps revamp of Dykehead Cross in Shotts