to be crowded; to be packed; to be complex; to go into; to put into; to do intently
origin; source; history; originally; from the start; by nature
stability; steadiness; consistency; stable
one arm; one's right-hand man; one's right hand
to be lifted; to be raised; to happen suddenly; to occur; to be homeroom teacher for the same class multiple years in a row; to move up with one's class
guidance; leading; induction; introduction; incitement; inducement
to bend backwards; to bend oneself back; to be taken aback
spine; backbone; spinal column
to break; to be broken; to be folded; to give in; to back down; to turn (a corner)
to steal; to rob; to deceive; to trick; to graze (in passing); to skim; to appear and quickly disappear (a thought, a smile, etc.)
turning round; going around; turning about; surrounding; encircling
revolution; rotation; turning; turning (an aircraft or ship)
flexible body (esp. in gymnastics); agile physique
from long ago; from old times; from time immemorial
exercise; physical training; appeal; campaign; motion; movement
and so; therefore; for that reason
to take (someone) by surprise; to do something unexpected
short pause; short interval
backstep (dancing, sports); set-back (motorcycle) footrests
to draw (a thread); to let out (e.g. a rope); to head out as a group; to set out in large numbers; to send out one after another; to dispatch
optimization; optimisation
practice by repetition; learning by rote
most suitable; optimum; optimal; best
to master (e.g. a skill); to become accustomed to (e.g. a lifestyle); to acquire (e.g. a habit); to retain
to imagine; to picture; to figure; to see
unshapely; ill-formed; misshapen; awkward; clumsy
(direct) hit; hitting the mark
cheating; deception; trickery; manipulation; juggling; falsifying
swing and a miss; (punching and) failing to make contact; (ending in) failure; fruitless effort
to collapse; to crumble; to get out of shape; to lose one's shape; to break down; to be thrown into disarray; to crash (stock market)
defenseless; defenceless; unprotected; vulnerable
crossing swords; competing against; contending with; fighting against
level; standard; water level
to penetrate; to sink in; to devote oneself (to); to do intently and exclusively; to do throughout (e.g. the night)
to have one's faults exposed; to have one's secrets blown
gradually becoming poor; situation getting gradually worse and worse
means of survival; means of escape; way out of a difficulty
reaffirmation; reconfirmation; revalidation
upper; upward; upper (of a shoe); uppercut; upper (drug); stimulant
to study; to complete (a course); to order (one's life); to repair (a fault one has committed)
pillar; post; support; prop; counter for buddhas, gods, nobles, etc.
one's hand; name tag; nameplate; wallet-sized (photo)
to level (earth); to cut through (a mountain); to split (the opposition); to break (strike)
trouble; hardship; difficulty; anxiety; worry; concern
reasoning; logic; persuasion