blue; azure; green; pale (facial color); gray; unripe
sky; the air; weather; far-off place; distant place; state of mind; feeling
right; correct; proper; righteous; just
expression; representation; description; representation (of a group)
lesson; class; teaching; instruction; classwork; schoolwork
to be late; to be delayed; to fall behind (in a race, one's studies, etc.); to lag behind; to be bereaved of; to be preceded by (someone) in death
to clear up; to become cloudless
to look at; to gaze at; to look out over; to get a view of; to look on (from the sidelines); to stand by and watch
in a daze; absent-mindedly; dimly; hazily; with a roar (of flames); with a whoosh
sudden; abrupt; unexpected; unforeseen
reaction; response; physical reaction (to a stimulus); observable response (of an organism); reaction; effect
vague; ambiguous; shady; disreputable; fuzzy
because; as; since; because of that; therefore; accordingly
oh!; good heavens!; ugh!; oh no!; ah!; the penny drops!
soon; before long; slowly; quietly; already; about time
classroom; lecture room; department (in a university); class; lessons; school (for a particular discipline)
immediately; right away; at once; instantly
atmosphere; mood; a certain air; presence; (Earth's) atmosphere
to shine; to glow; to look attractive; to look nice; to be set off (by)
gentle; mild; meek; tender
origin; source; basis; base; cause; (raw) material; ingredient
pigment; coloring; colouring; colorant; colourant
thinnish; somewhat thin; weakish; on the weak side; rather light; rather pale
red; crimson; scarlet; Red; communist
to let fly; to make fly; to skip over; to leave out; to run fast; to drive fast; to spray
heat; fever; temperature; zeal; passion
(bearing a) close resemblance; vivid reminder (e.g. of the past); dim; faint; vague
then; well; so; well then
comprehension; consent; understanding; OK; roger
to keep step (with); to keep pace (with); to move in lockstep; to align (with another's thoughts or actions); to get on the same page
start; commencement; beginning; initiation
to face; to go towards; to head towards
on the way; en route; in the middle of; midway; halfway
(doing) together; one lump; one mixture; the same; identical; (at) the same time
together with; as X, then Y (e.g. as we age we gain wisdom, as wine matures it becomes more valuable, etc.)
two persons; two people; pair; couple
rare; uncommon; new; novel; fine; nice
for this very reason; that is exactly why
to give birth; to bear (child); to lay (eggs); to produce; to yield; to give rise to
together (with); at the same time; in one lump; in the same category
first (of all); firstly; probably; most likely; more or less (satisfactory); on the whole