set down to do 还是 doing

set down to do 还是 doing

set down to 归于,认为是由于……、
如The failure was set down to bad planning.
这次失败归因于计划不周.

好像没有和set down有关的这种用法吧。。。set down译为“写下，记下”
我知道的是，set out to do=set about doing 开始做某事

着手做某事,用法类似get down to do