你写错了，应该是life is full of challenge
be full of -- 固定短语，充满---
整个句子的意思是：人生充满着挑战~
challenge英音：['tʃælindʒ]美音：['tʃælɪndʒ]
以下结果由译典通提供词典解释
名词 n.
1.挑战;邀请比赛[C][+to-v]
He received a challenge to a TV debate.
他接到电视辩论的挑战。
2.质疑;指责;异议[C]
3.颇有作为的工作;艰巨的事[C]
To build a road in the mountainous area was a real challenge.
在山区修筑公路确是艰巨的事。
He wants a career that offers a challenge.
他要有挑战性,能有一番作为的事业。
4.(哨兵,警卫等)查问口令;盘问[C]
I was met with a challenge when approaching the post.
我在走近哨所时被查问身份。
5.【律】(对某陪审员出庭等表示的)反对[C]
6.有挑战性[U]
及物动词 vt.
1.向...挑战[(+to)][O2]
I challenged him to show his proof.
我要他拿出证据。
2.对...提出异议;怀疑;反对
He challenged my view on that matter.
他就我对那件事的看法提出异议。
3.要求,需要;刺激,激发[O2]
The new position challenged him to study still harder during his spare time.
那个新职位激发他在业余时间更加努力学习。
The event challenges an explanation.
那个事件需要解释。
4.(哨兵,警卫等)查问;盘问
5.【律】宣布反对(某陪审员等)
参考资料：译典通