《徐霞客游记·随笔二则》
攻了三年，没能攻克。
攻之三年，不能克。
After three years of attack, it still couldn't be captured.
<s>[INST] Highlight and translate the key terms in the Classical Chinese text: 攻之三年，不能克。, and explain their significance in the context of the passage. [/INST]
**Key terms and their translations:**
* **攻** (gōng): to attack
* **之** (zhī): pronoun, referring to the city
* **三年** (sān nián): three years
* **不能** (bù néng): cannot
* **克** (kè): to conquer, to capture

**Final English translation:**
After three years of attack, it still couldn't be captured.

**Significance in the context of the passage:**
This sentence describes the failure of a siege, highlighting the strength of the city's defenses and the tenacity of its defenders. The fact that the attackers were unable to capture the city after three years of siege suggests that it was a strategically important location or that the defenders were particularly determined to resist.</s>
Highlight and translate the key terms in the Classical Chinese text: 攻之三年，不能克。, and explain their significance in the context of the passage.
user
**Key terms and their translations:**
* **攻** (gōng): to attack
* **之** (zhī): pronoun, referring to the city
* **三年** (sān nián): three years
* **不能** (bù néng): cannot
* **克** (kè): to conquer, to capture

**Final English translation:**
After three years of attack, it still couldn't be captured.

**Significance in the context of the passage:**
This sentence describes the failure of a siege, highlighting the strength of the city's defenses and the tenacity of its defenders. The fact that the attackers were unable to capture the city after three years of siege suggests that it was a strategically important location or that the defenders were particularly determined to resist.
assistant