the pale light of the moon

The young lovers sat in the moonlight. 年轻的情侣们坐在月光下。

do a moonlight flitidiom UK informal （尤指为躲债而）潜逃，偷偷逃掉

to work at an extra job, especially without telling your main employer

A qualified teacher, he moonlighted as a cabbie in the evenings to pay the rent. 他是个有执教证书的教师，晚上兼职开出租车以赚钱付房租。