of unknown nationality (of a vessel, plane, etc.); unidentified
airspace incursion; airspace violation
half in doubt; half-convinced; dubious; incredulous
meaningful; suggestive; telling; significant; pregnant (pause etc.)
opportunity; occasion; (arch.) order; (arch.) sequence; (arch.) successor
huge; vast; enormous; swelling; expansion
to leak out (a secret); to be exposed (a lie, improper behaviour, etc.); to be found out; to get away (of fish)
participation; taking part in; participating in; being concerned in
private; confidential; informal; secret; (within the) family circle; (on the) inside
(United States of) America; USA; US
cooperative relation; cooperative relationship; collaborative relationships; cooperative structure; cooperative ties; cooperative alliance
dominion; territory; possession
near-miss; just missing (each other)
terrible; dreadful; amazing (e.g. of strength); great (e.g. of skills); to a great extent; vast (in numbers)
fabrication; forgery; falsehood; hoax
fabrication; put-up job; trumped-up story; frame-up; hoax
to compete; to contest; to quarrel; to argue; to deny (e.g. evidence)
military authorities; army circles
secret base; hideout; hidden position
clear; precise; definite; distinct
to smash up; to defeat crushingly
Asian countries; Asian nations
base (military, expedition, etc.)
to cure; to heal; to fix; to correct; to do over again; to replace
outward appearance; ostensible; public; official
depending on; dependent on
as many as one likes; as much as one likes; great many; plenty; almost (none); (not) much
to add (to); to add on; to append
steering; piloting; flying; management; handling; control
well; properly; best regards; please remember me; just like ...; as though one were ...
when push comes to shove; when needed; when necessity arises; when the moment arrives
at any rate; in any case; at the very least; if nothing else
within; inside of; less than
hurdle; hurdle race; hurdles; hurdle; obstacle
to cross over; to cross; to pass through; to exceed; to surpass; to be more (than)
defeat; loss; reverse; setback
administration (of medicine)
questioning; interrogation; examination (of a witness)
suitable; satisfactory; desirable