Pronounced zhen (falling tone) according to the "Tang Yun" (Tang Yun). Pronounced zhen (falling tone) according to the "Jiyun" (Jiyun), with the sound pu dan (falling tone). "Shuowen Jiezi" (Shuowen Jiezi) explains it as striking from bottom to top. Another explanation is to strike deeply. Also, according to the "Jiyun" (Jiyun), it is pronounced zhen (falling tone). The pronunciation is the same as 揕. The meaning is the same. Also, according to the "Guangyun" (Guangyun), it is pronounced ju jin (flat tone), and according to the "Jiyun" (Jiyun), it is pronounced qu jin (flat tone), with the sound the same as qin (flat tone). "Yupian" (Yupian) explains it as to govern or control. Another explanation is to prohibit. Also, according to the "Jiyun" (Jiyun), it is pronounced du gan (falling tone), with the sound the same as dan (falling tone). "Boyao" (Boyao) explains it as to prohibit.