Yabla video uses of 便是

以后 yǐhòu
chēng
wén
gōng
便是 biànshì
le
不好 bùhǎo
zài
chēng
丞相 chéngxiàng
From now on, call me Wen Yi Gong; no need to call me Prime Minister anymore.
这个 zhège
代号 dàihào
便是 biànshì
姓氏 xìngshì
de
shì
de
前身 qiánshēn
This code became the clan's name, which is how the character [shi] came about.