both hands; both arms; ten
hard; solid; stiff; tight; strong; firm (not viscous or easily moved); safe
motionlessly (e.g. stand, wait); (be) still; fixedly (e.g. gaze, stare); intently (e.g. listen, think); patiently (e.g. endure); stoically
to displease; to offend; to hurt (a person's) feelings
complicated; complex; intricate; confusing; difficult; troublesome
in a sense; in some way; to an extent
roundabout (e.g. expression); indirect (reference, criticism, etc.); oblique
may; might; perhaps; may be; possibly
influenced by; in response to; in the wake of; triggered by; following
cessation; (coming to an) end
leaf (of a tree); tree leaves; foliage
ray (of light); beam; light
irregular; unsystematic; unsteady; disorderly
departure; departing from ...; sent from ...; (a letter, etc.) dated ...; counter for engines (on an aircraft); counter for gunshots, bursts of gas, etc.
boisterous dance; dancing wildly
to cease; to stop; to be over
so much; so often; oh, yes!; that's it; that's right; quite
record; document; minutes; record (e.g. in sports); setting (a record); recording (a record high, etc.)
by all rights; properly speaking; legally speaking
from long ago; from old times; from time immemorial
to demolish; to tear down; to pull down
preservation; conservation; storage; save (to storage)
(one's) exclusive use; private use; dedicated use; use for a particular purpose; exclusive use (of particular products); using only (e.g. a certain brand)
hurriedly; in a hurry; hastily; sudden; abrupt
speaker; lecturer; lecturer (at a university or college); instructor; part-time teacher; tutor (at a cram school)
double room; room shared by two people; shared room
teacher; instructor; teaching staff; faculty member
waiting room; anteroom; antechamber; green room
system trouble; technical issue
rearrangement; reallocation; realignment; relocation
consideration; examination; investigation; study; scrutiny; discussion
natural; understandable; reasonable; no wonder
to fall behind; to lag behind; to be outdistanced; to be beaten
saving (e.g. energy); cutting down on (e.g. alcohol); save; save
here; this place; this point; here; these past ... (e.g. three years); these last ...