Definition: when you use a lot of effort to achieve or stop something Level: B2
加入我们争取自由的斗争！
Join us in our ___fight for freedom!
我们必须继续与无家可归作斗争。
We must continue the ___fight against homelessness.
他在与癌症的长期斗争后于上周去世。
He died last week after a long ___fight with cancer.
