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How to Say ‘Which part was hard?’ in Japanese

どこが難しかったですか。

doko ga muzukashikatsu ta desu ka

[doh-koh gah moo-zoo-kah-SHEE-kaht ta dess kah]

💬 Usage Tip: 難しい "difficult" becomes past tense by swapping the final い for かった: 難しかった "was difficult". The same works for 高い → 高かった "was expensive".

Phrase Breakdown

どこが

doko ga

which part / where

どこ (doko) means 'where' or 'which part', and が marks it as the subject.

Example

どこが痛いですか。

Where does it hurt?

Words in this phrase

どこ

doko

[doh-koh]

where; which part

In symptom questions, どこが…? means “Where (on your body) …?”

Example

どこが痛いですか。

Where does it hurt?

が

ga

[gah]

subject marker

が marks what “came out”: “The results (are what) came out.” Natural for announcements from staff/doctor.

Example

けっかがでましたので、説明します。

Since the results are out, I’ll explain.

難しかったですか。

muzukashikatsu ta desu ka

was difficult?

This is the past form of 難しい (muzukashii, 'difficult'). Pause on the double 't' in -katta.

Example

テストは難しかったですか。

Was the test difficult?

Words in this phrase

難しかっ

muzukashikatsu

[moo-zoo-kah-SHEE-kaht]

was difficult

Past stem of the adjective 難しい (difficult), used before た.

Example

テストは難しかったです。

The test was difficult.

た

ta

[ta]

past tense ending

This marks the action as completed in the past.

Example

スタッフが来ました。

The staff member came.

です

desu

[dess]

is; polite copula

Polite form of 'to be' used in many basic sentences.

Example

こちらで大丈夫です。

This is fine.

か

ka

[kah]

question particle

か is placed at the end of a sentence to mark it as a question in polite Japanese.

Example

先生ですか。

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