What if her life spiraled out of control after my mom sent her off?要是当年我妈妈把她赶走使得她的生活彻底毁了，那该怎么办

out of control:失去控制

The children are out of control.

管不住这些孩子了。

The plane got out of control and crashed into the sea.

飞机失控,坠入大海。

sent off:命令退场

That hero was warmly sent off by a large crowd.

那位英雄受到一大群人的热烈欢送。

The oranges were boxed and sent off quickly.

橘子被装入箱中，然后很快便运走了

It's not fair for me to crash into her life.我这样闯进她的生活对她很不公平

crash into:冲入(闯进；撞到)

Do not brake suddenly, the car behind may crash into you.

别突然刹车，后面的那辆车可能会撞着你车的。