顾名思义

gùmíng-sīyì

[seeing the name of a thing one thinks of its function; as the name implies; think what a name or title should imply] 观其名称就可推想其含义

旧社会里有一种"太平鼓", 顾名思义, 这固然有粉饰太平, 美化封建统治的味道, 但也反映了老百姓对于和平安宁生活的追求和向往。