1、居然
Go So Far As To(居然), 此释义来源于网络辞典。
2、竟然
Go So Far As To(竟然), 此释义来源于网络辞典。
3、至于
... 至始至终 from start to finish 至于 as for; to go so far as to 至尊 supreme ...
4、竟
曾 ... 过去发生过--表示有过某些行为或情况 [once] 竟,竟然;尚 [go so far as to;unexpectedly;actually;still;yet] 通“层”。重叠 [overlapped] ...