They walked along the road in the moonlight.
他们在月光下沿路散步。
A shaft of moonlight fell on the lake.
一束月光照在湖面上。
If someone moonlights, they have a second job in addition to their main job, often without informing their main employers or the tax office.
(常指隐瞒雇主或税务机关的) 兼职