hollow; cavity; dent; depression
lapse; abatement; invalidation; expiration; expiry; becoming void
insertion point; insertion slot; insertion opening
evacuation; emission (e.g. of CO2, etc.); ejection
front entrance; front door
regular; normal; formal; legal; established; legitimate
handrail; railing; banister
each time it happens; at all such times
having nothing to do; having time on one's hands (and not knowing what to do); being at a loose end; being bored
to invade; to attack; to breach; to penetrate
to insert; to put in; to thrust in; to plug in
manager; landlord; warden; root (user)
extreme; terrible; absurd; unreasonable; fool; idiot
feeling of vitality; sense of being alive
poor; meagre; meager; feeble; scanty; shabby
in order; sequential; seriatim
adding (equipment, facilities, etc.); establishing more; installing more; increase; extension; expansion
protagonist; main character; hero(ine) (of a story); head of household
curiosity; inquisitiveness
endurance; perseverance; patience
abstaining from smoking; quitting smoking; No Smoking!; Smoking Prohibited!
smoking room; smoking compartment
to get worked up; to be eager (enthusiastic); to rouse oneself
to knock down; to beat up (till unable to stand)
systematic; organized; organizational
to fit; to get into; to be fit for (a job, etc.); to be suited for; to fall into; to plunge into
eldest child; oldest child; first child; eldest son; oldest son