1. The correct stroke order: vertical, horizontal fold, horizontal, horizontal, horizontal, vertical, horizontal, left and right.

2. Pinyin: shì.

3. Radical: day.

4. Interpretation:

1. Indicates explanation or classification: he~worker. The author of "The True Story of Ah Q" ~ Lu Xun.

2. To express presence: covered with sweat.

3. It expresses acknowledgment of what has been said, and then turns to the correct meaning, containing the meaning of "although": The poem is a good poem, but it is too long.

4. It means suitable: when it comes.

5. Express any: Fan~. ~He is willing to do any job.

6. Used in questions: Is he gone?

Word groups:

1. So [yú shì]?

Conjunctions. It means that the next thing follows the previous thing, sometimes it means the relationship between cause and effect: after learning, everyone understood the importance of doing a good job in greening work, so a new upsurge in afforestation was launched.

2. What is [héng shi]?

It means speculation; probably: He is almost forty, right? The weather was muggy and hot, and it was going to rain.

3. Fan [fán shì]?

To summarize everything within a certain range: all new things grow up in the struggle with old things.

4. Still [réng shì]?

Still, despite what happened in the past or previous considerations, you still have to be an important person.

5. If it weren’t for [yào bù shì]?

If it wasn’t: If you hadn’t reminded me, I would have forgotten about it.