时空旅行

• 日(sun; day)RADICAL
• 寸(inch; unit of measurement)PHONETIC

Time flows like the sun moving inch by inch across the sky.

• 穴(row; gap)RADICAL
• 工(craftsman; work)PHONETIC

An empty cave with nothing inside is just hollow space.

• 彳(left foot step)RADICAL
• 亍(right foot; right step)ASSOCIATIVE

Left foot then right foot stepping forward is the very action of traveling down a road.