一

critical hit (esp. in RPGs)

to spend a night together

Idiomatic expression

tip of the iceberg

living only for one's work; a life with no other interest than one's work

smiling broadly

double role; one person playing two roles; wearing two hats

unique; peculiar; special

Sumo; Martial arts

one-armed shoulder throw (judo or sumo)

polygyny

Noun or participle which takes the aux. verb suru

a lick; one lick

engulfing (e.g. of fire); enveloping; consuming

single seater (e.g. boat, aeroplane, airplane)

Idiomatic expression

one thing after another; out of the frying pan and into the fire

with a single blow; with one stroke

ordinary people; general public; public at large

first-class hotel

consistent; unchanging from beginning to end

to write a few lines (to); to drop someone a line; to write a note (to)

top university; leading university; first-rate university

not taking the slightest notice (of); not giving the slightest consideration (to); paying absolutely no attention (to)

day by day

Proverb

seen it once, seen it all; a single instance indicates what happens all the time; one case gives you an idea of what always happens

monotone; monotonous; dull; lacking variety

(an) only child

one or two sizes (bigger, etc.); one or two levels (better, more mature, etc.)