to underdress
01
穿着不够正式, 穿得过于简单
to put on clothes that are not formal or elaborate enough for an occasion
02
穿着过于简单, 对于特定场合穿着不如惯例正式
to dress less formally or less elaborately than is customary for a particular occasion
穿着不够正式, 穿得过于简单
穿着过于简单, 对于特定场合穿着不如惯例正式
