development; exploitation
synthetic fibre; synthetic fiber
choosing; selecting; deciding (on)
special characteristic; special quality; trait; idiosyncrasy; peculiarity
appropriate; suitable; fitting; apt; proper; right
ventilation; communication (within an organisation); openness
retaining warmth; keeping heat in; heat insulation
certainly; without fail; right and wrong; pros and cons
to spread; to extend; to unfold; to open; to scatter about; to spread around
pattern; behavioural pattern; behavioral pattern; predictability
taste (in fashion, music, etc.); sense (e.g. of humour); flair
to reach; to amount to; to be up to the task; to come up to; to compare with; to be a match (for)
learning; acquisition (of a skill, knowledge, etc.)
in a day; in a brief space of time
to spend time (on doing something)
natural; understandable; reasonable; no wonder
way of speaking; intimation
extraordinary; preposterous; outrageous; absurd
excuse me; pardon me; I'm sorry; thank you
challenging; defiant; provocative; aggressive
infinity; infinitude; eternity; infinite; limitless
to conform to; to be in accordance with; to follow (rule, tradition, example, etc.)
in advance; beforehand; previously
grounding (in a skill or subject); knowledge; training; achievements; attainments; accomplishments
width; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price)
wildly different (in ability, strength, etc.); on another level; in a different league; of different heights; uneven
last; final; closing; last train (bus, flight, etc.; of the day)
to handle (men); to master (a tool); to manage; to acquire a command of (a language)
offer; tender; providing; sponsoring (a TV program)
one class; one set; a pair; a suite; a series
combination; assortment; matching (in a contest); pairing; combination
to raise; to elevate; to do up (one's hair); to fly (a kite, etc.); to launch (fireworks, etc.); to land (a boat); to show someone (into a room)
two classes; double; two sets
disagreeable; unpleasant; adverse; unsympathetic
formation; establishment; conclusion (e.g. of a deal); reaching (e.g. an agreement); being valid (of a theory, argument, etc.); holding
ninth day of the month; nine days
to worry about (someone's welfare or comfort); to feel anxious about; to have apprehensions of
favour; favor; favourite; favorite; patron; supporter
having said that; on the other hand
strength; power; proficiency; ability
most suitable; optimum; optimal; best
to continue (for a long time); to occur in succession; to come next (e.g. on TV)
having many difficulties in store; grim prospects
to forge; to temper; to drill; to train; to discipline
order (for an item); request; demand; condition