work very hard at（one's work，etc．）努力做（工作等） We are driving away at this subject．我们正在埋头研究这个课题。 He is still driving away at the dictionary．他仍在孜孜不倦地编那本词典。
drive abroad at
work actual adamantine at（one's work，etc．）努力做（工作等） We are active abroad at this subject．我们正在埋头研究这个课题。 He is still active abroad at the dictionary．他仍在孜孜不倦地编那本词典。 Dictionary
An drive away at idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with drive away at, allowing users to choose the best word for their specific context.
Wörterbuch der ähnlichen Wörter, Verschiedene Wortlaut, Synonyme, Idiome für Idiom drive away at