to test, measure, or survey the performance of equipment or the skills/knowledge of a person; a test or examination

to examine and test; to monitor or check for the presence of something

to forecast or calculate in advance; to make a prediction or estimate regarding future events

to monitor and test; to supervise using instruments to check for changes or quality

to determine or ascertain through the process of measuring, surveying, or testing

to determine dimensions, quantity, or capacity of something using instruments or tools; to survey land

to guess; to surmise; to conjecture; to make a prediction based on imagination rather than facts

to guess or estimate based on what is already known; to conjecture; to speculate

To survey, measure, and calculate based on data.

to observe and measure scientific phenomena such as astronomical, geographical, or meteorological data

To examine and measure using instruments, especially things not easily visible (like underground resources)

a test, quiz, or examination used to assess knowledge; to examine or quiz someone on their progress

to perform a test and provide an evaluation or assessment

An instrument or device used to detect, probe, or explore things and phenomena that cannot be observed directly; probe

to measure land and record the data to create maps or drawings

impossible to predict or measure; unfathomable

to take actual measurements or perform testing

to investigate and measure; to survey terrain or natural resources for engineering or scientific purposes

to guess or conjecture; a speculation or estimate

to observe data and control the operation of machinery or instruments

To calculate or estimate a distance, size, or quantity using only the naked eye

to determine a value or result through measurement

an instrument or device used for exploration, detection, or scanning; often refers to precision equipment used in geology, aviation, or medicine

deep and unmeasurable; so deep that it cannot be measured, often used to describe profound truths or people's unpredictable and enigmatic nature

to change in many ways and without regularity; difficult to predict or grasp

A survey of public opinion conducted through methods such as sampling, questionnaires, or phone interviews; also called [[民意调查|民意調查|min2 yi4 diao4 cha2]] or [[民调|民調|min2 diao4]]

to measure temperature; to take a temperature reading

a device used for testing, sensing, or detecting something; sensor

a device or instrument used to detect or measure something

to sense; to detect; to probe and measure

mysterious and impossible to predict; enigmatic

too deep and profound to be measured or understood; often used to describe someone's character or a situation that is mysterious and impossible to figure out

To perform measurements and report the results to relevant individuals or departments; to estimate or assess and report

to measure things from a distance; often involves using optical or electronic equipment to gather and transmit data

A facility used for monitoring and measuring phenomena, typically used in meteorology, astronomy, or military contexts.

to estimate, appraise, or reckon; to make a calculation based on a prediction

(math.) a value representing the size of a set or object

the process or method of measuring; mensuration

to speculate or surmise based on subjective judgment

surveying ship; surveying vessel

Literal meaning that weather is unpredictable; used to mean that human life is full of sudden changes or misfortunes. First half of a couplet, usually followed by [[人有旦夕祸福|人有旦夕禍福|ren2 you3 dan4 xi1 huo4 fu2]]

An instrument or device used to observe and measure something; a monitoring device

harboring unfathomable motives; with hidden intent; describes someone whose inner thoughts are malicious and impossible to predict

to measure the distance between two points

unpredictable; constantly changing; to vary in a way that is hard to anticipate

to measure the speed of a moving object or the flow rate of a liquid or gas

A standardized measurement used to assess a person's cognitive abilities, such as vocabulary, general knowledge, reading comprehension, and spatial reasoning.

difficult to understand or beyond one's depth; describes people or matters that are mysterious or enigmatic

device used to measure distances, such as a rangefinder or distance measuring equipment