Yabla video uses of 万无一失

wèi
bǎo
万无一失 wànwúyīshī
hái
huì
jiāo
江湖 Jiānghú
shàng
失传 shīchuán
多年 duōnián
de
sān
làng
真言 zhēnyán
Just to make sure. I will teach you the three "Lang" secrets.