free time; time at leisure
to be full of (e.g. adventure, youth, energy); to be overflowing with
tens of thousands of years
to end; to be finished; to die; to perish; to do utterly; to do completely
frontier (esp. the American frontier); frontier (of a field); forefront (of science, technology)
tray; family; household; O-Bon; Bon Festival; gambler's den
person in charge; senior staff; manager; chief; head
section chief; laboratory manager; office head; room monitor
research division; research club (e.g. at school, university)
theme; topic; subject matter; motif; project; slogan
to fan; to incite; to instigate
(having great) expectation; pinning one's hopes on
return; relapse; recurrence
preliminary step; first step
iron pyrites; fool's gold; pyrite
sulfuration; sulphuration
burying in the ground; having underground deposits
resemblance; similarity; analogy
sample; specimen; test piece
feeling rough (of the throat); irritated
diamond; (railway) schedule; timetable; diagram
solid (body); solid matter; solid-state
(rock) crystal; high purity quartz
patient; unhurried; leisurely
to distribute; to hand out
quick; rapid; swift; satisfactory
to be overproduced; to be incredibly good (e.g. for a child); to go much better than expected; to be too good to be true (of a story, etc.)
ability; capability; competence; skill
teacher (to whom one owes a debt of gratitude); mentor; one's former teacher
justice; fairness; impartiality
(having) same family and personal name
to take over; to capture; to seize; to hijack (vehicle, account, etc.)