theory; doctrine; opinion; view; rumour; rumor
space alien; alien; extraterrestrial being
suspicious-looking; shady; questionable; dubious; fishy
learned society; scientific society; academy; academic meeting; academic conference
serious; honest; sober; grave; earnest; steady
low (level, value, price, etc.)
mountain range; mountain belt
terrain; geographical features; topography
specialization; specialisation
disaster; accident; shipwreck; distress
to lose sight of (one's companions); to stray from; to miss (one's chance to ...)
to walk; to move forward; to make progress
to ascend; to go up; to ascend (as a natural process, e.g. the Sun); to rise; to go to (the capital); to be promoted; to add up to
unusual event; strange occurrence; strange phenomenon; something abnormal; change (for the worse); accident
with a twitch (e.g. an eyebrow); with a dip; with a bob; with a flutter
point; tip; head (of a line); front; first; before; (the way) ahead
to rub; to scrub; to scrape
to make a sound; to give off a sound; to hear a sound
body; group; party; gang; troupe; troop
evil design; crafty plan; plot
fingers; fingertips; underling; stooge; tool
smirkingly; smugly; broadly
oh!; dear me; my goodness; well well; I say
at the height of one's power or influence; at the peak of one's popularity
height; acme; extremity; end; limit
mean; contemptible; despicable; dirty; foul; cowardly
harsh (criticism, treatment, etc.); severe; hard; strict
support; participation; assistance; complicity; conspiracy
to shine; to glitter; to be bright
place; room; margin; scope
without; unacceptable; not alright; unsatisfactory
to sheathe one's sword; to lay down arms; to bury the hatchet
long ago; a long time ago; already
knowledge; awareness; consent; acceptance; forgiving; pardoning
to complain; to make a complaint
equal (in ability); even; evenly matched; well-matched; on par (with)
to stay behind; to remain; to work overtime
to admonish; to persuade; to warn; to remonstrate
skill; dexterity; proficiency