deadly serious; deadly earnest
approximate age; apparent age; marriageable age (esp. of a woman); age of maturity; age (when ...); for years (past)
sexual excitement; estrus; oestrus; rut; (coming into) heat
male characteristics; manliness
proposed solution; idea for a solution
unfortunate but expected; harsh but fair
together (of two people); both (of you, them, etc.)
please; I beg you; for mercy's sake
acknowledgement; acknowledgment; understanding; approval; consent
curiosity-seeking; bizarre (crime, etc.); grotesque; abnormal
with a pat; with a tap; with a pop; with a crack; casually (throw); carelessly
things depend on how you look at them
decontamination (e.g. from chemical or radioactive contamination)
disinfection; sterile filtration
correction; revision; compensation (e.g. to a pendulum)
exploitation; overuse; abuse
optimization; optimisation
round and cute (esp. of eyes)
looking at someone (with upturned eyes); glancing upwards (at someone)
organic; coordinated; working in a coordinated fashion
(land) with a thump; slumping (of something heavy); (lying down) with a flop; effortlessly (throw onto); roundishly (shaped; of something large)
to be reluctant (to do); to be unwilling (to do); to falter; to slacken; to have a frequent urge to defecate but difficulty passing stool; to suffer from tenesmus
sound of wind rustling through a crack; wheezing
breathing of a sleeping person
paying back in installments (instalments); amortization plan (amortisation); gradual progression (oft. into an unwanted state); doing little by little; proceeding in a continual and vague fashion; gradually obscuring
putting out the lights; turning off the lights
one's heart's desire; one's dearest wish
to go to bed; to go to sleep; to fall asleep; to be laid up (with a cold); to be ill in bed
cushion; cushion (to soften the blow); mitigation
it's better to; it's best to; it's safest to; you can't go wrong with; it doesn't hurt (to be young, beautiful, have money, etc.)
emptiness; hollowness; vacancy; inanity; pointlessness; meaninglessness
sense of isolation; (feelings of) loneliness
middle; midway; middle position; moderate position; interim; intermediary
to crouch; to squat; to cower