severe; strict; hard (to do); difficult; intense (e.g. cold); harsh (weather)
to keep a watchful eye on
large; big; older; senior; final; ultimate
to be lucky; to be in luck; to be attached; to have; to be included
large; big; great; prominent; -sized; as big as; university
rapidly; vigorously; by leaps and bounds; steadily
to apologize; to apologise
guidance; leading; induction; introduction; incitement; inducement
after all; in the end; conclusion; end; end of a game of go, shogi, etc.
10,000,000,000; ten billion
ten thousand years; eternity; perennial; perpetual
to stick up (hair, etc.); to stand up straight; to stand up abruptly; to jump to one's feet; to stand in one place, doing nothing in particular; to stand around
person in charge; senior staff; manager; chief; head
(logical) true; regular; 10^40; ten thousand undecillion; original; positive
everyone; everybody; all; everything; all
-ical; -ive; -like; -ish; (something) like; along the lines of
placid; composed; big hearted; broad-minded; great quantity (of something)
interesting; fascinating; amusing; funny; enjoyable; fun
how about ...?; I wonder; I don't know
follow; following (on social media, esp. Twitter); follow-up; following up; backing-up; covering for; follow-up shot
second; number two; runner-up
terrible; dreadful; amazing (e.g. of strength); great (e.g. of skills); to a great extent; vast (in numbers)
a-ha-ha (laughing loudly)
than; from; out of; except; but; more
to be popular (esp. with the opposite sex); to be well liked; to be pampered (spoiled, doted upon, etc.); to be welcomed
component; factor; item (e.g. in list); element (e.g. in array); member (e.g. data structure)
to have both; to possess both; to combine with
rumour; rumor; report; hearsay; gossip; common talk
fan; enthusiast; lover (of); fan (e.g. electric)
volume (sound level); volume (books); volume; substantial quantity (e.g. hearty meal); any kind of adjustment knob, not necessarily for sound
to drop; to lose; to clean off (dirt, makeup, paint, etc.); to remove (e.g. stains or facial hair); to lose (a match); to reject (an applicant); to lower (e.g. shoulders or voice)
first (of all); firstly; probably; most likely; more or less (satisfactory); on the whole
heir; heiress; inheritor; successor
no need to guess; certainly
verbal gaffe; verbal slip; slip of the tongue; using improper words
blunder; fault; error; mistake; failure; disgrace