common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
limitation; restriction; condition; constraints
to help; to assist; to aid; to contribute to; to be a factor in
timid; weak-kneed; fainthearted; bearish (e.g. market)
to pay attention; to be watchful
negligent; neglectful; careless; remiss
to add; to add up; to increase; to gather (e.g. speed); to include; to count in
at the very beginning of one's speech; the first thing (one) says after opening the mouth
business; thing to be done; something that should be performed; information that should be conveyed
to quarry; to cut (timber); to begin to talk; to break the ice; to start a fire (with flint, by rubbing sticks together, etc.); to select and extract (from a media file)
to pitch forward; to fall forward
destruction; collapse; crumbling
to put oneself on guard; to stand ready; to square off
festival; feast; carnival
anticlimax; let-down; disappointment; loss of interest
confusion; dismay; consternation; panic
matter being discussed (e.g. in a private conversation); it's not your business; it doesn't matter (to you); our side of the story (in contrast to another's version)
word game; wordplay; playing with words
consent; approval; acceptance; agreement; compliance
vigilance; caution; alertness; precaution; being on guard
to scold; to chide; to rebuke; to reprimand
condition; state; health; state (of health); way; manner
important matter; matter of great importance; serious affair; major incident; emergency
on the occasion of; circumstances; juncture
pronunciation; production of sound
stage; step; level; rank; order; stairs
to eat; to live; to make a living; to bite; to sting (as insects do); to tease; to torment
had better ...; had better not ...
the same as it was long ago; unchanged; traditional
estrangement; alienation; neglecting to stay in contact
reconciliation (with one's spouse, adopted child, etc.)
puzzling; tangled; complicated; complex
to be at a loss for words
to blow out; to spout out
to start to say; to attempt to say; to be about to say; to speak to; to address
withdrawal; retraction; revocation; repeal
before very long; soon; someday; of the previously mentioned; of that number; among them
to boast of; to be proud of; to take pride in
optimization; optimisation
most suitable; optimum; optimal; best
not necessarily so; is not always true