in or to a foreign country or countries

go abroad We always go abroad in the summer. 我们夏天总是到国外去。

He's currently abroad on business. 目前他在国外出差。

outside, or not at home

Not a soul was abroad that morning. 那天上午，户外空无一人。

used to say that ideas, feelings, and opinions are shared by many people

There's a rumour abroad that she intends to leave the company. 到处都在传言说她要离开公司。