He wore a shirt, with the neck open, showing his bare chest.

他穿着一个开领衬衣，露着胸膛。

youdao

The five factors of influencing the balance of shoulder slope, such as shoulder slope drop, shoulder pad, neck open, front/back shoulder slope and shoulder dart are discussed.

分析了服装肩部结构平衡的重要性，着重讨论了影响肩斜度结构平衡的五个方面———落肩、垫肩、横开领、前后肩斜度以及肩省。

youdao

The hairs on the back of my neck prickled when I heard the door open.

听到开门声，我颈后汗毛倒竖。

《牛津词典》

Mr Brown, who wearing an open neck shirt, brown jumper, jacket and dark trousers, said the couple were "delighted" that Sarah was returning home.

BBC: New mum Sarah leaves hospital

Tie or open neck shirt, smart or casual, bright or dark?

BBC: Mark Simpson: How technology has transformed the job

Wearing a blue blazer and open-neck shirt, Armstrong was direct and matter-of-fact, neither pained nor defensive.

NPR: Armstrong Admits Doping: 'I'm A Flawed Character'