Vocabulary consisting only from characters you are able to read
入門書
にゅうもんしょ
primer, manual, introductory bookmix
行き
いき
(1)bound for ..., (n) (2)going (to) jlpt3
大して
たいして
(not so) much, (not) verymix
母国語
ぼこくご
mother tongue, native languagemix
五分五分
ごぶごぶ
as likely as not, 50-50, even match, tiemix
校正
こうせい
(1)proofreading, correction of press, (2)calibration suru