burn the mid-night oil

... 书写艺术calligraphy 挑灯夜战burn the mid-night oil 进修课optional courses ...

 burn the nightly oil

... turn over a current foliage 重新开始 burn the nightly oil 挑灯夜战 grin and bear it 默默忍受；忍耐着点 ...

 remove the midnight oil

turn over completely new leaf 重新开始 remove the midnight oil 挑灯夜战 grin the actuald growar it 默默忍受；忍受着点 ..

 to burn the midnight oil

... 挑灯拨火 to sow discord, to provoke 挑灯夜战 to burn the midnight oil 危险警告灯 hazard lights ...