Heath Robinson
adjective UK humorous old-fashioned uk/ˌhiːθ ˈrɒb.ɪn.sən/ us/ˌhiːθ ˈrɑː.bɪn.sən/
（机器）结构精巧复杂但不实用的
used to describe a machine that is very cleverly made and is complicated in a silly or humorous way, but has no practical use
a Heath Robinson contraption 复杂而不实用的装置