Vocabulary consisting only from characters you are able to read
足りない
たりない
(1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj
生かす
いかす
(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
耳にする
みみにする
to hear, to hear by chance, to hear by accident, to catch (the sound)suru
赤字
あかじ
(1)deficit, (being in or going into) the red, (2)red text, red letters, (3)corrections (by a teacher or proofreader) written in red mix