intervene

1. V-I If you intervene in a situation, you become involved in it and try to change it. 干预

The situation calmed down when police intervened. 警察干预后，局势平静了下来。

2. V-I If you intervene, you interrupt a conversation in order to add something to it. 插话

Hernandez intervened and told me to stop it. 贺尔南德兹插话，不让我再说下去。

3. V-I If an event intervenes, it happens suddenly in a way that stops, delays, or prevents something from happening. 干扰

The mailboat arrived on Friday mornings unless bad weather intervened. 除非受到恶劣天气的干扰，邮船于星期五上午到达。