What does it mean to ponder?

1, thoughtfully, Chinese vocabulary. Pinyin: chén yín mumbles intermittently and hesitates.

2. Meaning:

(1) chant (words, poems, etc. ) and ponder chapters and sentences in a low voice.

(2) Hesitant (when encountering complicated or difficult things), muttering: I hesitated for a long time, but I still couldn't make up my mind.