Vocabulary consisting only from characters you are able to read
やる気
jaruki
willingness (e.g. to do something)/eagerness/motivation/inspiration/determination/high aspirationsjlpt3
金玉
kintama
(col) testiclesmix
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
生かす
ikasu
(1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans
行間
gjoukan
line-spacing in text, between the linesmix
中年
čuunen
middle-age, middle age, midlife, one's middle yearsmix
いつの間にか
icunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
下る
kudaru
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans