serious; severe; grave; acute
winter vacation; winter holidays
just barely; only just; at the very limit; at the last moment
to stay overnight; to stop (e.g. at a hotel)
December; twelfth month of the lunar calendar
thirty-first day of the month; thirty-one days
New Year's Eve; December 31
(one's) quota; assignment
to be idle; to slacken; to neglect (e.g. one's work)
body; torso; trunk; build; physique; health
to cherish; to treasure; to prize; to take good care of; to look after
bento; Japanese box lunch
awkward; uncomfortable; embarrassing
obliging person; person who likes looking after others
uh-huh; mm-hmm; with a moan; with a groan
serious; honest; sober; grave; earnest; steady
body; physical system; (the) person
mischievous child; scamp; rascal; elf; imp
company secret; industrial secret; trade secret
it's not like; it isn't as if
dissatisfied-looking; looking discontented
sorrow; grief; anguish; trouble; affliction; anxiety
contagious disease; communicable disease; transmissible disease; infectious disease; epidemic
specific medicine; wonder drug; silver bullet
illness (usu. excluding minor ailments, e.g. common cold); disease; bad habit; bad behaviour; crazy; insane
briskly; smartly; promptly; clearly; lucidly
to hesitate to say; to mumble; to hem and haw; to falter
besides; in addition; also; moreover
beginning; clue; starting point
eternity; perpetuity; permanence; immortality
complete; completion; perfection; accomplishment
placid; composed; big hearted; broad-minded; great quantity (of something)