intervenes , intervening , intervened
If you intervene in a situation, you become involved in it and try to change it.
step in
The situation calmed down when police intervened.
警察干预后,局势平息了下来。
The Government is doing nothing to intervene in the crisis.
该政府对这次危机没有做任何的干预。
If you intervene, you interrupt a conversation in order to add something to it.
Hernandez intervened and told me to stop it.
赫尔南德斯打断我,不让我再说下去。
If an event intervenes, it happens suddenly in a way that stops, delays, or prevents something from happening.
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。