Vocabulary consisting only from characters you are able to read
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
開会
かいかい
opening of a meetingsuru
年中行事
ねんじゅうぎょうじ
annual functions or eventsmix