The phrase "give two cents" is often used to express one's opinion or provide some advice. However, there are many antonyms to this phrase that suggest not speaking up or withholding one's views.
Some possible antonyms for "give two cents" include "keep quiet," "hold your tongue," "stay silent," "bite your lip," and "zip your lips." These phrases all suggest a reluctance to share thoughts or feelings, perhaps due to shyness, uncertainty, or fear of offending someone.
Using an antonym to "give two cents" does not necessarily mean one should refrain from expressing their ideas altogether. However, it can be a reminder to be thoughtful and considerate when speaking, and to remember the importance of active listening and respectful communication in all interactions.