Anxiously, she examined his unusually grave face.是什么意思？

Anxiously, she examined his unusually grave face.

她忐忑不安地审视着他异常严肃的脸色。

anxiously

adv. 焦急地，担忧地，眼巴巴，亟；

例句
How anxiously she awaited my answer...
她焦急万分地等待我的答复。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

examined

v. 仔细检查( examine的过去式和过去分词 )，考试，审查；

例句
Chris acted astonished as he examined the note...
克里斯检查记录时故作震惊状。

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。

unusually

adv. 非常，不寻常地，异乎寻常地，显著地，出奇；

例句
He looked unusually chipper this morning.
今早他看上去格外高兴。

grave

adj. 重大的，重要的，严重的，[音乐]沉重的，（颜色等）朴素的；adv. 沉重地，庄重地，极慢地；n. 坟墓，墓穴，埋葬…的地方，下场，死亡；vt. 雕刻，铭记；

例句
It is arguable that this was not as grave a handicap as it might appear...
有证据表明，这种残障不如看起来那么严重。

face

n. 面容，表面，脸，方面；vt.& vi. 面对，面向…，正视，承认；vt. （感到不能）对付，（明知不好办而）交谈，必须对付（某情况），面临…；

例句
Graham hit him across the face with the gun.
格雷厄姆用枪击打他的脸部。