n.

1. 入口處；門戶；通道[C]
2. 途徑，方法[S1][（+to）]
   Hard work is the gateway to success.

   勤奮乃成功之母。

n.

1. an opening that can be closed by a gate.
   ▸a frame or arch built around or over a gate.
2. Computing  a device used to connect two different networks, especially a connection to the Internet.