動詞 bear down on:

1. sail towards another vessel, of a ship
   同義詞：bear down upon
2. exert a force with a heavy weight
   同義詞：drag down, bear down, press down on, weigh down

1. At last we bore down on our fear.
   終于，我們克服了恐懼。
2. His lecture is intended to bear down on the application of acupuncture anesthesia in brain surgery.
   他的學術報告打算重點談針刺麻醉在腦外科方面的應用。