2, thousands of feet, pinyin qiān chǐ, a Chinese word, from "to Wang Lun".

3. Source: Tang Li Bai's poem: "Peach Blossom Lake is deeper than thousands of feet, not as good as Wang Lun." Wang Song's Anshi poem "A big pine man beside the road, take it as the Ming Dynasty": "It is not easy to climb a dragon beard, but it is graceful and graceful in the shade of Nanshan in thousands of feet."

4. Synonym: Zhang Wan.