natural; reasonable; obvious; usual; common; ordinary
to fix; to settle; to standardize; constant; definite; uniform
passage (of time); elapsing; progress; development; transit
to warm oneself; to sun oneself; to warm up; to get warm
to show signs of; to appear
painful; difficult; distressing; (psychologically) difficult; straitened (circumstances); tight (financial situation)
breathing; respiration; knack; trick; harmony; balance
to be ready; to be prepared; to be in order; to be put in order; to be adjusted; to be regulated
momentum; amount of exercise
body; physical system; (the) person
to mesh (of gears, cogs, etc.); to engage with each other; to bite each other; to be on the same wavelength; to mesh
to substitute for; to stand in for; to fill in for
description; expression (in words); qualification (e.g. of a noun with an adjective); form; figure; appearance
very difficult to ...; nearly impossible to ...
capillary; capillary vessel
front part; frontage; facade; initial pledge (e.g. election); opening slogan
running (of a car, bus, etc.); traveling; travelling; running (of a program)
comma; decimal point; radix point
as a test; as an experiment; by way of experiment; by way of trial; tentatively
stage; step; level; rank; order; stairs
that's good; that's nice; like (on social media); is that clear?; OK?
inclination; slant; slope; bevel; list; dip
rise; increase; upload; posting online; close-up; completion of filming; upswept hairstyle
ascent; uphill; upward slope; (gradual) upturn; increase
heart-breaking (esp. in physical activity such as running)
slope; incline; hill; milestone; (age) mark
all right; let's do this!; you got it!; it's here!; finally!; boom!
refreshment; refreshing oneself; refreshing one's spirit; (memory) refresh
to call out to; to hail; to address; to appeal (e.g. to the public); to urge; to exhort
to jump up; to spring up; to move around; to bounce up and down; to pound (of one's heart, e.g. with excitement); to throb
diligently; assiduously; industriously; beavering away
to pant; to gasp; to be short of breath; to be excited
vitality; (one's) life force
the (four) limbs; arms and legs
to stand in the way (esp. with legs spread out); to block the way; to stand in the way (e.g. of progress); to obstruct
coincidence; chance; by chance; unexpectedly; contingency
fate; destiny (esp. as a mysterious force that binds two people together); relationship (e.g. between two people); bond; family ties; affinity; opportunity
bright; intelligent; clever; smart