set of three; three sets; three classes
why?; what for?; how?; by what means?
never mind that; don't worry about that; listen up
reverse; opposite; converse (of a hypothesis, etc.); inverse (function)
to separate; to part; to divide; to keep apart
plausible; believable; solemn; dignified; serious
to be needed; to be wanted
junior high school; middle school; lower secondary school
association; socializing; socialising; fellowship
to work; to labor; to function; to operate; to commit (e.g. a crime); to perpetrate
one's post; place of work; workplace
introduction; presentation; referral; listing
bell signalling that work, class, etc. will formally begin shortly; first bell; warning bell
opening ceremony (of the school term)
in the morning; during the morning
to drift; to float; to waft (e.g. a scent); to hang in the air; to be in the air (e.g. a feeling or mood); to wander; to walk around aimlessly
to be prepared to flee; to become restless; to become agitated
consequence; outcome; result; blame
to recognise; to recognize; to know by sight; to become acquainted with
everyone; everybody; all; everything; all
history of Japan; Japanese history
being in charge (of an area of responsibility); being responsible (for a work role, etc.)
to call the roll; to take attendance
lesson; class work; teaching; instruction
with a feeling of relief; with a sigh of relief; deeply (sigh)
homeroom; form room; form class
seat; location (of a gathering, etc.); place; position; post
new student; freshman; first-year student