Vocabulary consisting only from characters you are able to read
勉める
tsutomeru
to endeavor (endeavour), to try, to strive, to make an effort, to exert oneself, to be diligentichidan, verb, vtrans
先
saki
the future, forward, priority, precedence, former, previous, old, latejlpt5, toki
行われる
okonawareru
to be done, to be practiced, to be practised, to take place, to be held, to be prevalent, to be in fashion, to be in vogue, to be current, to come into useichidan, verb
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
画面
gamen
terminal screen, scene, picture, the field (in TV), photojlpt3