Vocabulary consisting only from characters you are able to read
利く
きく
(1)to be effective, to show effect, (2)to do its work, to carry out its function well, (3)to be possible to use godan, verb, vintrans
勉める
つとめる
to endeavor (endeavour), to try, to strive, to make an effort, to exert oneself, to be diligentichidan, verb, vtrans
私事
しじ; わたくしごと
personal affairs; personal affairsmix