① 内容が多方面に渡りすぎて学問の真理を得ることがむずかしいこと。② 方針が多すぎてどうしてよいか迷うこと。
locking the barn door after the horse has bolted; doing something too late; (lit.) mending the pen after the sheep are lost
bemoaning the frustration of reaching truth (for surplus of academic paths); being at a loss