思索sīsuǒto think deeply; to ponder; to mull overHSK 7-9PronunciationsīsuǒExample sentence他思索了很久,才决定辞职去创业。tā sīsuǒ le hěnjiǔ, cái juédìng cízhí qù chuàngyè.He pondered for a long time before deciding to quit his job and start a business.Read and choose an answerOne fixed sampleExplore a sample