Meaning of jiǎ:
甲
first of the ten Heavenly Stems 十天干[shi2 tian1 gan1]; first (in a list, as a party to a contract etc)
Tā shì wǒmen zhè cì lǚxíng de jiǎ zǔ zǔzhǎng.
他是我们这次旅行的甲组组长。
He is the leader of the A group for this trip.
Zài zhège bǐsài zhōng, wǒ huòdéle jiǎ míng.
在这个比赛中，我获得了甲名。
In this competition, I won first place.
(used for an unspecified person or thing)
Zhè cì bǐsài de guànjūn shì jiǎ duì.
这次比赛的冠军是甲队。
The champion of this competition is Team A.
letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc; armor plating; shell or carapace; (of the fingers or toes) nail; bladed leather or metal armor (old); ranking system used in the Imperial examinations (old); civil administration unit in the baojia 保甲[bao3 jia3] system (old); ancient Chinese compass point: 75°
Zài zhège bǐsài zhōng, tā huòdéle jiǎ děng jiǎng.
在这个比赛中，他获得了甲等奖。
In this competition, he won the first prize.
Tā chuān le yī jiàn gǔdài de tiě jiǎ.
他穿了一件古代的铁甲。
He wore an ancient iron armor.
Wūguī de jiǎ hěn yìng.
乌龟的甲很硬。
The turtle's shell is very hard.
Tā de zhǐ jiǎ fēicháng cháng.
他的指甲非常长。
His fingernails are very long.
Gǔdài shìbīng chuānzhuó jiāngù de jiǎ zài zhànchǎng shàng zuòzhàn.
古代士兵穿着坚固的甲在战场上作战。
Ancient soldiers wore sturdy armor on the battlefield.
Gǔdài kējǔ kǎoshì de páimíng xìtǒng zhōng, zhuàngyuán wèiliè dì yī jiǎ.
古代科举考试的排名系统中，状元位列第一甲。
In the ancient imperial examination ranking system, the top scholar ranked first in the 'jia' category.
Zài gǔdài, bǎo jiǎ zhìdù shì yī zhǒng zhòngyào de zhìlǐ fāngshì.
在古代，保甲制度是一种重要的治理方式。
In ancient times, the baojia system was an important governance method.
Nǐ zhīdào yòng gǔdài de zhǐnánzhēn lái quèdìng jiǎ diǎn ma?
你知道用古代的指南针来确定甲点吗？
Do you know how to use an ancient compass to determine the 'jia' point?
