ad.

1. （指空間；置於動詞之後）向前；向前方；向外
   When we asked for volunteers, many young men came forth.

   當我們徵求自願者時，許多年輕人站了出來。

2. （指時間；置於名詞之後）（從……）以後
   From this day forth I will work harder.

   從今以後我要更加努力地學習。

adv.

1. out and away from a starting point.
   ▸so as to be revealed.
2. onwards in time.