Traditional: 線索
线索 (xiàn suǒ) means “trail; clues; thread (of a story)”. It is an HSK 6 Chinese word (traditional 線索) in the HSK 3.0 vocabulary.
Practice each character:
警察找到了重要的线索。
Jǐngchá zhǎodào le zhòngyào de xiànsuǒ.
The police found an important clue.
Updated: 2026-05-27