他的姿势显示出内心的挣扎。

His posture shows inner ___struggle.

那只小狗拼命挣扎想从项圈里挣脱出来。

The puppy ___struggled hard to break free from the collar.

他正在努力通过考试。

He is ___struggling to pass the exam.

尽管条件艰苦，村民们仍在为改善生活而努力奋斗。

Despite harsh conditions, the villagers continue their ___struggle for a better life.