to make ready or get things in order for a future event

a norm, rule, or criterion used as a measurement or basis for comparison

to approve; to ratify

accurate; exact; precise

to not allow, forbid, or prohibit a specific action or behavior

a standard, principle, or criterion on which a judgment or action is based

to take aim at; to target

at the appointed or expected time; on time or according to schedule

A criterion, benchmark, or point of reference against which things can be compared or assessed.

horizontal surface or elevation used in surveying

perhaps or it is possible that

to verify and then formally approve after investigation

to point something directly at a target or object

to obtain permission

to officially allow or grant permission for an action or request

an exam admission ticket

to be firmly convinced of something or to set one's mind on a specific goal or person

(statistics) standard deviation

to calibrate

brigadier general; commodore

to officially grant permission, permit, or authorize a request

a figurative standard, ground rule, or principle used for judgment or as a guide for behavior

the front sight of a firearm used for aiming

for sure; without fail

perhaps; possibly; it is uncertain but likely.

(coll.) accuracy

certainly; for sure

Junggar Basin, northern Xinjiang

official or legal permission to enter a specific market, industry, or professional field

universally applicable; valid everywhere

to graciously permit or grant approval, typically from a monarch or someone in a position of high authority

to take aim at a target, specifically with a firearm or optical instrument

Kou Zhun (961-1023), Northern Song dynasty politician and poet

to guarantee or be certain that something will happen

definite and reliable information

Jungar Banner in Ordos, Inner Mongolia

to give special approval or permission

to formally grant permission or authorize a request

A fixed musical frequency used as a reference for tuning instruments, such as A = 440 Hz.

An optical or mechanical instrument used to establish or verify a horizontal line or plane, such as a surveyor's level or a spirit level.

to be reliable, authoritative, or trustworthy

the fixed line used in the definition of a conic section such as a parabola