无伤大雅[wú shāng dà yǎ]
词典not hurt the important essentials：无伤大雅。
词典involving no major principle：无伤大雅。
词典not affect the whole：无伤大雅。
词典not matter much：无伤大体；无伤大雅。
无伤大雅[wú shāng dà yǎ]
not hurt the important essentials; involving no major principle; not affect the whole; not matter much; unimportant defects