clue; lead; trail; a hint or piece of information (such as a tip-off) used to solve a mystery, crime, or problem

A path taken from one place to another; an itinerary or line of travel

Connected to or available through a computer network or the Internet; to be online

circuit or wire used for the conduction of electricity

a direct communications link for immediate contact, especially between heads of state or for specific public services; also refers metaphorically to a line with frequent communication

Using radio waves rather than wires to transmit signals such as voice, text, or images

a thread; a thin line; often used to describe something extremely faint or small, such as a ray of light or a glimmer of hope

Used to describe things that happen or yield results in a short period of time, especially regarding investments or business projects

a curved line; (geometry) the trajectory of a moving point

The minimum conditions or the limit of what one is prepared to accept; the final degree of tolerance.

radio; wireless technology used to transmit signals such as sound and images through electromagnetic waves

route used by ships or aircraft; air or shipping line

The route or set of machinery and equipment through which products pass during the process of manufacture; assembly line

line of sight or vision; the imaginary straight line between the eye and the object being viewed

an alliance or coalition of social or political forces working toward a common goal; a front

The zone where opposing armies are closest or are fighting; the battlefront.

the whole length of a road, railway line, or power line; the entire route

a line in drawing, calligraphy, or printing

a straight line; the shortest distance between two points

To connect to a network or the internet; to launch a digital service or system

ultraviolet ray; invisible electromagnetic radiation with a wavelength shorter than that of visible light, used for sterilization and medical treatment but harmful to eyes in large amounts; also called [[紫外光|紫外光|zi3 wai4 guang1]]

light ray; illumination; lighting for a room or photograph

To qualify for the next round of a competition by winning or achieving a certain rank in elimination heats.

electric wire; power cord; cable

A line that passes through the center of an object or area, such as a neutral line or the halfway line on a sports field.

a person or group planted inside an organization to gather information; internal contacts or personnel relationships used to gain an advantage (e.g., inside information)

cable television; a system that transmits television signals to subscribers via cables rather than through the air

The central theme or main plotline of a story, novel, or case.

general term for pipelines and cables, such as water pipes, power lines, or telecommunications cables

A person who is planted to secretly scout or gather information, such as a spy, scout, or snitch

The most crucial part of an operation; people working directly in production, teaching, research, sales, or front-line leadership

A dedicated communication or transportation route, such as a special-purpose telephone link, a hotline, or a direct rail line between specific points

The primary route in a network of roads, railways, waterways, or power lines; trunk line

linear; linearity; relating to a property where components are arranged in a specific sequence in time or space without overlapping

An alliance formed by different political parties or groups for a common political purpose; often abbreviated as [[统战|統戰|tong3 zhan4]].

A stream of high-energy particles or electromagnetic waves, such as X-rays or alpha rays.

to establish a connection between electronic devices or to a network; to go online

The minimum score required for admission or to pass an exam; a grade cut-off point.

knitting wool or wool yarn used to knit items such as sweaters and scarves

A pathway used in computers and electronics to transfer data or signals between internal components or peripheral devices; also called [[汇流排|匯流排|hui4 liu2 pai2]] in Taiwan.

The second line of defense in war or a rear-service position; can also refer to secondary medical treatments used after initial options fail.

Used to describe projects or investments that take a long time to produce results or benefits

The offensive line formed by forwards in sports such as basketball or soccer.

aerial; antenna used for transmitting or receiving radio waves

using a wire or cable to transmit signals like sound, text, or images; cable television or telecommunications

telephone line; telephone wire

a military line or defensive perimeter consisting of fortifications and forces

(telephony) a telephone line that connects to an external network rather than an internal extension

A secondary route branching off from a main line, such as a railway, side road, power line, or pipeline.