Short answer: 煞气, often translated as “killing breath”
In Chinese, sha qi is written 煞气 (simplified) or 煞氣 (traditional), and it is pronounced roughly “shā qì”. It is often translated as “killing breath”, “killing energy” or “malign energy”. In feng shui, it names a harsh, aggressive kind of qi that is said to disrupt the smooth flow of life-giving energy. For the wider idea of qi, see qi in feng shui.
Breaking down the characters
The term has two characters, and each carries its own meaning:
- 气 (qì) means breath, air or vital energy. It is the same character that forms the word qi in qi in feng shui.
- 煞 (shā) carries the sense of killing, fierce force or a harmful influence. In everyday Chinese, the character can also refer to a spirit or force that brings misfortune. The same character appears in San Sha, the annual “three killings” covered in the Tai Sui and San Sha guide, and in Liu Sha, the “six killings” direction of the Eight Mansions system.
Together, the two characters describe a force that is harsh and damaging. The exact English rendering depends on the translator, so “killing breath” is one common choice rather than a single authoritative one.
How feng shui uses the term
In feng shui, sha qi describes energy that is too strong, too sharp, too fast or too stagnant. Practitioners use the term when they see sharp corners pointing at a door, a straight road running at a house, or a pile of clutter that blocks the flow. They also use it for places where energy seems stuck, such as a dead-end corner.
The term describes a space rather than measuring it. Teachers differ on how serious a given source is, and on which sources matter most.
Other names: poison arrows and secret arrows
Sha qi is also called “poison arrows” or “secret arrows”. These names describe sharp features, such as a corner or a line, that seem to aim energy at a person or a door. A sharp edge aimed at a bed is often given as an example. The sha chi guide lists common sources and practical ways to soften them.
The opposite: sheng qi
Sheng qi, written 生气 (shēng qì) in feng shui, is the fresh, life-giving form of qi that practitioners hope for. It is usually described as gentle and steady. The same two characters mean “to be angry” in everyday Chinese, so the feng shui sense is a specialised use. Sha qi and sheng qi are often set against each other, so it helps to understand both. The sheng chi guide explains the good side of the flow.
Spellings in English
You will see sha qi written as sha chi, shaqi and sha-chi. “Qi” is the pinyin spelling, and “chi” is an older romanisation. The meaning is the same. On this site, sha chi is the main form, and sha qi appears here because it matches the question.
Using the term without fear
It is easy to read sha qi as a warning of disaster, but that is not how most practitioners use it. In practice, the term points at things you can see and change: a sharp corner, a clutter pile, a bed in line with the door. Those changes often make a room safer and more comfortable as well.
Traditional claims that sha qi causes accidents, illness or money loss are not established. Treat them as beliefs, and speak to a doctor or qualified professional about any real health or safety concern.