nonessential and nonurgent

(baseball) straight; four-seam fastball / (by extension) straightforward

(baseball) an eye for discerning whether a pitch is a strike or not

a lump sum paid when a civil servant retires before reaching the number of years necessary to receive a pension; one of the benefits of the Onkyu Law

leave, furlough / temporary layoff

permafrost

(education) research project, done by Japanese schoolchildren during summer break, to be presented upon return to school

Synonym of 眼筋 (gankin, “ocular muscle”)

taking the afternoon off

taking the morning off