think about (something) carefully, especially before making a decision or reaching a conclusion.
I pondered the question of what clothes to wear for the occasion
同义词：
think aboutgive thought toconsiderreviewreflect onmull overcontemplatestudymeditate onmuse ondeliberate aboutcogitate ondwell onbrood on/overruminate about/onchew overpuzzle overspeculate aboutweigh upturn over in one's mindbe in a brown studyinformal：put on one's thinking cap aboutrare：cerebratearchaic：pore on
