名詞 over drive:

1. the state of high or excessive activity or productivity or concentration
   同義詞：overdrive
2. a high gear used at high speeds to maintain the driving speed with less output power
   同義詞：overdrive

動詞 over drive:

1. drive or work too hard
   同義詞：overdrive
2. make use of too often or too extensively
   同義詞：overuse, overdrive