From dawn to dusk 是從晨曦到暮色
dusk:
1. the state or period of partial darkness between day and night; the dark part of twilight.
2. partial darkness; shade; gloom: She was barely visible in the dusk of the room.
Pronunciation: (dusk), [key]
—adj.
tending to darkness; dark.
—v.t., v.i.
to make or become dusk; darken.
Dawn
1. The time of day when light first appears as the sun rises.
Thesaurus: morning, sunrise, daybreak, daylight, sun-up (US), aurora;Antonym: dusk, sundown, sunset.
2. The beginning of (a new period of time, etc).
Thesaurus: beginning, outset, onset, origin, birth, genesis, inception, start, rise, advent, emergence, dawning