【计】 关断, 断开
在线英汉词典

turn-off的短语、例句：

turn-off n 1 road that leads away from a larger or more important one 支路; 岔道
This is the turn-off for Bath. 这是通往巴斯市的岔道. 2 (usu sing 通常作单数) (infml 口) person or thing that bores or disgusts sb, or causes sb not to feel sexually attracted 某人厌烦或反感的人或事物; 使某人在性的方面不喜爱的人或事物
Smelly feet are definitely a turn-off as far as I´m concerned. 脚要是有味可真恶心人, 这是我的看法.