xiǎng​tōng

come round

想通 xiǎng​tōng
come round verb
to become convinced, change one's attitude, or get over a mental or emotional block

After everyone's persuasion, he finally came around and stopped dwelling on the matter.

figure out verb
to understand the logic or reason behind something, or to solve a problem through thinking

I thought about this problem for a long time and finally figured it out.

Frequency

Written text
2.98 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)