commandant; commanding officer; general
day and night; around the clock; always; constantly
riddle; puzzle; enigma; enigmatic; mysterious
boldly; bravely; resolutely; determinedly
challenge; defiance; dare; attempt; try
unidentified flying object; UFO
unidentified flying object; UFO
invasion; incursion; raid; aggression; intrusion; trespass
urgent report; urgent message
most; highest; maximum; best; wonderful; finest
hobby; pastime; tastes; preference; liking
concentration (of efforts, forces, etc.); gathering together; regimentation; marshalling; mobilization
repulse; repelling (e.g. the enemy); driving back
preparation; arrangements; getting ready; provision; setup; reserving
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at
female; woman; female sex; female lover; girlfriend; mistress
locking on (to a target, esp. by radar)