来自中古英语 struglen,努力，斗争，进一步词源不详，可能与 strive 有词源上的联系。-le, 表反复。

1. How many letters are there in the word'struggle " ?

struggle 这个单词有多少个字母?

2. It's a constant struggle to try to keep them up to par.

要让他们达标，需要不断努力。

3. Curiously, the struggle to survive has greatly improved her health.

奇怪的是，她拼命求生的抗争使得她的健康状况大有好转。

4. He grandly declared that "international politics is a struggle for power".

他一本正经地宣称“国际政治是一场权力之争”。

5. This age-old struggle for control had led to untold bloody wars.

这场由来已久的对控制权的争夺已经引发了无数流血的战争。