I've heard that ...; rumour has it that ...; it appears as if ...
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
year by year; annually; every year; from year to year
decrease; reduction; decline
tendency; trend; inclination
positive; assertive; active; proactive; aggressive
metre; meter; meter; gauge
racewalking; race walking; walking race
push-up (exercise); press-up
sit-up; abdominal muscles; abs
to change; to be transformed; to move to; to be different; to be uncommon
to say enough (as much as required); to say plenty; to say well; to say cleverly; to say often; to say frequently
that child; that kid; that boy; (arch.) you
another person; other people; unrelated person (i.e. not related by blood); outsider; stranger
to pour water (into); to dilute with water; to hinder; to hamper; to throw cold water on
to finish; to end; to merely result in something less severe than expected; to feel at ease; to feel unease or guilt for troubling someone; to be sorry
to apologize; to apologise
to draw back; to sink; to be set back (e.g. from a road); to withdraw (e.g. from the public eye); to retire to (somewhere)
sports club (e.g. at school); sports department (e.g. in a newspaper)
physical education; PE; gym (class)
lesson; class work; teaching; instruction
discouragement; despondency; dejection; disappointment
low (rank, degree, value, content, quality, etc.); low (position); close to the ground; short (height); deep (voice); in a low key
or rather (say); or better (say); or perhaps I should say; or, how should I put it,...; I mean
standard; basis; criterion; norm; reference; datum
all one's power (strength, energy, efforts); one's utmost
scenery; scene; landscape; scene (e.g. of a crime)
precise; accurate; appropriate; exactly the right
ignoring; looking the other way; passing through; going through; ball hit through net (in tennis)
match; game; bout; contest
screaming; squawking; squealing; loud complaining; noisy conversation
noisy; loud; annoying; troublesome; fussy; finicky
sports ground; sports oval
shrill; strident; sharp (pain, e.g. headache, earache); ice-cold; very cold
classroom; lecture room; department (in a university); class; lessons; school (for a particular discipline)
to resound; to be heard far away; to reverberate; to shake; to come (home); to remain (with someone)
denotes uncertainty; such things as A and B; A and B and so on; A and B and the like
unrelated; irrelevant; unconcerned; unconnected