In Chinese culture, where maintaining social harmony and “face” (面子, miànzi) is paramount, acting “当面” is a significant choice. It bypasses the ambiguity and gentleness of indirect communication.
Contrast with Western Directness: While Western cultures, particularly American culture, often value “saying it to my face” as a sign of honesty, doing so in China can be a double-edged sword.
Positive: Giving a gift, expressing gratitude, or offering a sincere apology 当面 is highly valued. It shows respect and sincerity because you've made the effort to be physically present for an important interaction.
Negative/Confrontational: Criticizing, rejecting, or accusing someone 当面, especially in front of others, can cause a severe loss of face. It's a very direct and often last-resort action, implying the situation is serious enough to risk social disharmony. People will often go to great lengths to avoid such direct confrontations.
Therefore, the decision to do something 当面 is rarely a casual one. It signals the importance of the interaction.