a cloud (visible mass of water droplets or other related material suspended in the air) / something spreading over like clouds in the sky / something clouded, foggy, or gloomy / the sky, heavens

spring (season)

gathering clouds / (meteorology) altocumulus

lead, proceed at the head / precede, come before / be foremost, be the most important thing / die earlier than someone else

(of a cloud, smoke, etc.) to trail

a mountain (large mass of earth and rock) or (large) hill / a mine (excavation usually consisting of small tunnels) / a heap, pile / the top or high part of an object / a chance, gamble / a climax, peak

曙色: pink tinged with yellow

dawn (the time when night fades and the morning faintly brightens)

pink tinged with yellow

tracking, capturing, arrest