n.在…之前...

ahead of的音标：ahead of的英式发音音标为：[ə'hed ɔv]ahead of的美式发音音标为：[ə'hɛd ʌv]...

ahead of schedule的音标：ahead of schedule的英式发音音标为：[ə'hed ɔv 'ʃedju:əl]ahead of schedule的美式发音音标为：[ə'hɛd ʌv 'skɛdʒul]...

ahead of time的音标：ahead of time的英式发音音标为：[ə'hed ɔv taim]ahead of time的美式发音音标为：[ə'hɛd ʌv taɪm]...

The election was held six months ahead of schedule.选举提前了6个月举行。The jet arrived in Johannesburg two minutes ahead of schedule.喷气式飞机提前两分钟到达了约翰内斯堡。We laboured hard to finish our job ahead of schedule.我们努力工作,以期把活儿提前干完....

Mark was out of earshot, walking ahead of them.马克走在前面，听不见他们的声音。The election was held six months ahead of schedule.选举提前了6个月举行。The Prime Minister was speaking ahead of today's meeting.首相在今天的会议开始之前作了发言。...

提前...

提前...

Find out ahead of time what regulations apply to your situation.提前搞清楚什么规章适用于你的情况。This dish may be prepared a day ahead of time and refrigerated.这道菜可以提前一天准备好并冷藏起来。I think he made a tactical blunder by announcing it so far...