when push comes to shove; when needed; when necessity arises; when the moment arrives
rescue; extricate; reclaim; deliverance
very; very much; greatly; considerably; highly; exceedingly
head; chief; leader; the greatest (of all the ...)
on the occasion of; at the time of
one or two; a couple; a few; first and second (place); the top two
to compete; to contest; to quarrel; to argue; to deny (e.g. evidence)
very; greatly; much; just about to; almost; very nearly
hiring from another company; recruitment; quick costume change (taking off outer costume); drawing (wire, pipes, metal plate); extraction; pulling out
major general; rear admiral; air commodore
(field) marshal; (fleet) admiral; general of the army
until then; till then; to that extent; the end of it; all there is to it
plentifully; amply; loosely; with room to spare; a good (e.g. two weeks, ten kilometres); a full
to work; to labor; to function; to operate; to commit (e.g. a crime); to perpetrate
majority; more than half; most (of); mostly; largely; mainly
state of reduced activity; lull; state of abeyance; stable condition
(time of) emergency; (in) event of emergency; (in) case of emergency
where ... is concerned; when it becomes; if it becomes
promise; agreement; appointment; engagement; convention; rule
door; gate; opening; title page
knock; knocking; fungo hitting; hitting balls for fielding practice; tap; click (e.g. of a retractable pen or mechanical pencil)
discourtesy; impoliteness; excuse me; goodbye; to leave; to be rude
secrecy; highly classified information
stamp; sticker (in messaging apps); (large) emoji
hello; good day; good afternoon
to the utmost; to the best of one's ability
to talk; to speak; to tell; to explain; to speak (a language)
storehouse; warehouse; godown
to put in; to let in; to admit; to accept; to accept; to comply; to include
lodging (house); accommodation; hotel; housing (for government employees)
preparation; arrangements; provision; getting ready; laying out (e.g. a meal)
repair; mending; fixing; servicing
but; however; (and) yet; nevertheless; still; for all that
comprehension; consent; understanding; OK; roger
when it comes to ...; if one were to speak of ...; by ... you mean ...; when you say ... you mean that ...; whenever ...; if it's ... then (without fail)