...Leo, who is currently serving a life sentence for murder...是什么意思？

...Leo, who is currently serving a life sentence for murder...

因谋杀罪正在服无期徒刑的利奥

Leo

n. 狮子（用于儿童故事寓言等），（天文）狮子座，[电影]灰白岁月；

例句
He stared at Leo with great bleary eyes.
他用一双模糊的大眼睛盯着利奥。

who

pron. 谁，什么人，关系代词，有先行词，孰；

例句
The last French king was Louis Philippe, who abdicated in 1848.
法国末代国王是1848年逊位的路易·菲力普。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

currently

adv. 当前，目前，通常，一般，现在，容易，流畅，普遍地；

例句
The medicines you are currently taking could be affecting your balance.
你现在服用的药物可能会影响身体的平衡能力。

serving

n. 服务，（食物或饮料的）一份，上菜；adj. 用于上菜的；v. （为…）服务( serve的现在分词)，任（职），提供，端上；

例句
...the serving of alcoholic drinks.
供应含酒精的饮料

life

n. 生活，生计，生命，性命，一生，寿命，人生，尘世；

例句
In his later life he became even more absent-minded.
他晚年变得愈加健忘了。

sentence

n. 句子，宣判；vt. 宣判，判决；

例句
Heath's appeal against the sentence was later successful...
希思对判决不服提出上诉，后来胜诉了。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

murder

n. 谋杀，杀戮，极艰难[令人沮丧]的经历；vt. 凶杀，糟蹋，打垮；vi. 杀人；

例句
He was intent on murder and he came within an ace of succeeding.
他一心想杀人并且差点就得逞了。