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I Ching hexagram 21 of 64

21. Biting Through 噬嗑

Something is blocking the flow. Cut through it cleanly — no flinching.

By the Daoly team · Updated November 2026

Name噬嗑 Shì Kè, “Biting Through”
Upper trigram☲ 离 Fire: clarity and attachment
Lower trigram☳ 震 Thunder: sudden movement

The Judgment

亨,利用狱。

Success. Wise to administer justice.

Something is blocking the flow. Cut through it cleanly — no flinching.

The Image

雷电,噬嗑;先王以明罚敕法。

Thunder and lightning together — Biting Through. The ancient kings made clear the laws and set firm penalties.

When the rules are clear and visible, everyone can move. Vagueness protects no one.

The six lines

If a line changes in your cast, read its text below. Lines are numbered from the bottom.

Line 1 · first (bottom) · Yang

屦校灭趾,无咎。

Feet locked in stocks, toes hidden. No blame.

Caught early, the lesson is small. Better a small stumble now than a real fall later.

Line 2 · second · Yin

噬肤灭鼻,无咎。

Biting through tender meat — biting off the nose. No blame.

You went a little hard on someone who was an easy target. Not a crime, but check yourself.

Line 3 · third · Yin

噬腊肉,遇毒,小吝,无咎。

Biting on old dried meat and meeting something poisonous. A little shame. No blame.

Trying to clean up an old situation and tasting the worst of it. Unpleasant — but you'll get through.

Line 4 · fourth · Yang

噬干胏,得金矢,利艰贞,吉。

Biting on dried meat with bone. Gets metal arrows. Wise to persevere through hardship. Fortune.

The block is real and the work is hard, but you've got the tools. Stay sharp — fortune is on the other side.

Line 5 · fifth · Yin

噬干肉,得黄金,贞厉,无咎。

Biting on dried meat. Gets yellow gold. Stay true — danger. No blame.

A breakthrough that comes with real reward. But the stakes are high — stay honest and you stay clean.

Line 6 · top · Yang

何校灭耳,凶。

Wearing a yoke that hides the ears. Misfortune.

Stuck in the same correction you refused to learn from. Ignored too many warnings — now they're loud.

Related hexagrams

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Frequently asked questions

What does Hexagram 21: Biting Through mean?

Something is blocking the flow. Cut through it cleanly — no flinching. It combines Fire (离) above Thunder (震) below.

What is the Chinese name of Hexagram 21?

Hexagram 21 is 噬嗑 (Shì Kè), usually translated as “Biting Through.”

Daoly presents BaZi and the I Ching as cultural traditions and tools for self-reflection. Nothing here is a prediction or medical, legal, financial, or psychological advice.