For example, people are knowledgeable but introverted, and don't like to show off their talents in front of others.
Keep silent about what you believe (or know, plan)
Pronunciation: shēn cáng bú lù.
Meaning: It means that people are knowledgeable but introverted, and they don't like to show off their talents in front of others.
Sentence: He always hides his secrets and devotes himself to his career.