found out [词典] 发现; 找出; 搜索; 把…揭发出来;[例句]I found out my phone was bugged.我发现我的电话被窃听了。
sought out与found out的区别一，意义不同。
sought out，寻找; 寻求; 谋求; 争取; 请求，是seek的过去式。
found out，发现;猜着;想出;揭发(坏人等)，是find out的过去式。
例：sought out：They sought out potters who had once made copies of。
" I found him at home. 我发现他在家。
一言以蔽之，find是尝试去找，未必能找到； find out是找到，强调结果。
I found out the phone number by looking it up. If youre not sure, find out.通过查找我查到了电话号码。
如果你不肯定，查一查 To detect the true nature or character of; expose:发现：探明真相或性质;暴露：L。