doku wa kiken desu.

Poison is dangerous.

Breakdown of doku wa kiken desu.

• は: topic particle
• です: to be
• 危険きけん: danger
• 毒どく: poison

Questions & Answers about doku wa kiken desu.

How is 毒 は 危険 です pronounced?

It is read:

どく は きけん です
Romanized: doku wa kiken desu

A natural pronunciation is close to:

doku wa kiken des(u)

The u in desu is often very weak or almost silent in normal speech.

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What do the words mean individually?

Here is the breakdown:

• 毒（どく） = poison
• は = topic marker
• 危険（きけん） = dangerous / danger
• です = polite sentence ending, similar to is/it is in this kind of sentence

So the sentence structure is basically:

As for poison, it is dangerous.

Natural English: Poison is dangerous.

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Why is は pronounced wa instead of ha?

This is one of the most common beginner questions.

The character は is normally read ha when it is part of a word.
But when it is used as the topic particle, it is pronounced wa.

So in this sentence:

• written: 毒 は 危険 です
• said: どく わ きけん です

This is just a standard rule of Japanese grammar.

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