Vocabulary consisting only from characters you are able to read
人
hito
man, person, human being, mankindhito, jlpt5
毎月
maigetsu
every month, each month, monthlyjlpt5, toki
地下道
chikadou
subterranean tunnelmix
外力
gairyoku
external forcemix
当時
touji
v té době, ona doba, tenkrátleda1
大部分
daibubun
most part, greater part, majoritymix
上達
joutatsu
(1)improvement, advance, progress, (2)communication of opinions of the general populace to those of high rank suru