不妨 is an adverb meaning 'might as well' or 'may as well'—it suggests a gentle, reasonable suggestion to try something, often when there’s little risk or no harm in doing so. The character 不 means 'not', and 妨 means 'to hinder' or 'to obstruct'; together, they literally mean 'not hinder', implying that the action poses no obstacle or downside, so it’s safe or sensible to proceed.

This word is commonly used in spoken and written Chinese to soften suggestions, make polite recommendations, or express open-mindedness. It often appears at the beginning of a clause or sentence, followed by a verb phrase. It carries a calm, thoughtful tone—not urgent or commanding—and fits naturally in everyday conversations about plans, decisions, or problem-solving.