蛛絲馬跡

Spider; used in compounds like 蜘蛛 (spider).

Silk; thread; fine thread-like strips used in cooking; a tiny trace or small amount; a classifier for such traces or amounts.

A horse; a knight in chess; a surname; a counting tool; a radical in Chinese chess.

A trace or mark left behind; a vestige or clue; a footprint; a legacy or achievement; to investigate or follow.