warn

警告，提醒；通知英释vvto tell someone that something bad or dangerous may happen, so that they can avoid it or prevent it

(Warn)人名；(英)沃恩；(德)瓦恩nn

1 warn of,警告某人某事

2 warn against,警告（...）不要；提醒（...）提防

3 warn about,就...提出警告

1 ‘Be careful, the rocks are slippery,’ Alex warned..“小心，岩石很滑。”亚历克斯提醒说。