Until recently Sammy has seemed to be retaining his hard sanity.是什么意思？

Until recently Sammy has seemed to be retaining his hard sanity.

不久之前,山米看来还是能够保持清醒的头脑.

until

prep. 到…为止，在…以前；conj. 到…为止，在…以前，直到…才；

例句
The threat is likely to remain in abeyance until next year's meeting in Reykjavik.
这一威胁很可能会一直存在下去，直至明年的雷克雅未克会议。

recently

adv. 最近，近来，不久以前，近日，新近；

例句
They recently failed to negotiate a mutually acceptable new contract.
他们最近未能谈成一个双方都满意的新合同。

Sammy

--

例句
Until recently Sammy has seemed to be retaining his hard sanity.
不久之前,山米看来还是能够保持清醒的头脑.

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

seemed

v. 好像，仿佛( seem的过去式和过去分词 )；

例句
Steve seemed to acquiesce in the decision...
史蒂夫好像默认了这个决定。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

be

v. 是，有，存在，做，成为，发生；aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

retaining

n. 保留，保持，维持防护；v. 保持( retain的现在分词 )，拦住，保存，止住；

例句
Disconnect CRS hose from radiator filler neck and pull through ( remove ) the shroud retaining loops.
从散热器填注颈上断开CRS软管,并从风扇罩保护套环上将其拔 ( 拆 ) 下.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hard

adj. 困难的，硬的，有力的，努力的；adv. 努力地，猛力地，严重地，沉重地；n. 英〉硬海滩，登陆处；

例句
The team fought hard and gave a good account of themselves.
这支队伍奋力拼搏，表现出色。

sanity

n. 神志正常，心智健康，头脑清楚，通情达理；

例句
He pleads for sanity in a lunatic world.
他祈求在这混乱的世界里仍能保持头脑清明。