阿里阿德涅给了忒修斯一个线团，让他能找到迷宫的出路。

Ariadne gave Theseus a ___clew to help him find his way out of the maze.

她发现了一个重要线索，帮助警方破获了这起案件。

She discovered a crucial ___clue that helped the police solve the case.

水手检查了帆的下角以确保绳索牢固。

The sailor checked the ___clew to ensure the ropes were secure.