hither and thither 是什么词性是介词短语吗

thither [ˈðiðə]
ad.到那里 a.那边的
so I carry'd all away thither,never keeping above two or three pound of powder with me in my castle,for fear of a surprise of any kind:I also carry'd thither all the lead I had belt for bullets.
不用说,我把全部火药都搬了过去.从此以后,我在城堡里最多只放三磅火药,唯恐发生任何意外.另外,我又把做子弹的铅也全部搬了过去.
-- 英汉-翻译样例-文学
"The means of arriving thither are simple,easy,certain,infallible-and that is the gist of my present proposal."
“达到这个目的的方法是简单、容易、可靠、万无一失的,这就是我所建设的内容.”
-- 英汉-辞典例句
A school of tiny,glittering fish flicked hither and thither.
一群小小的、闪闪发光的鱼儿东游西窜、忽隐忽现.
hither [ˈhiðə]
ad.到此处
Looked hither and thither for the ring; ran hither and yon.
到处找戒指;各处乱跑
-- 英汉-短句参考
A school of tiny,glittering fish flicked hither and thither.
一群小小的、闪闪发光的鱼儿东游西窜、忽隐忽现.
-- 英汉-辞典例句
Busily,gaily,she went hither and yon.
她又匆忙又高兴地到处奔走.
-- 英汉-辞典例句
For like a most unhappy and thankful maid,it is I have led you hither.
因为我象一个最倒霉和最不吉利的姑娘似的,把你牵累到这个地步.
-- 英汉-辞典例句
He rove hither and thither that night.
那一夜他四处漫游.
Looked hither and thither for the ring; ran hither and yon.
到处找戒指;各处乱跑
-- 英汉-短句参考
A school of tiny,glittering fish flicked hither and thither.
一群小小的、闪闪发光的鱼儿东游西窜、忽隐忽现.
-- 英汉-辞典例句
He rove hither and thither that night.
那一夜他四处漫游.
-- 英汉-辞典例句
He saw the men's eyes turning hither and thither in quest of him.
他看到那些人的眼睛东张西望地搜索着他.
-- 英汉-辞典例句
He tramped hither and thither.
他到处流浪.
介词短语

hither and thither
adv. 到处, 向各方