Vocabulary consisting only from characters you are able to read
分の
ぶんの
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math
~中
~ちゅう
in (the middle of), within, during, whilejlpt5
努力
どりょく
great effort, exertion, endeavour, endeavor, effortjlpt3, mix
上位
じょうい
(1)superior (rank not class), (2)(comp) higher order (e.g. byte), (3)(comp) host computer (of connected device) mix