n.

1. 现实；真实[U]
   He is out of touch with reality.

   他脱离现实。

2. 事实，实际存在的事物[C]
   His dream has become a reality.

   他的梦想已成为现实。

3. 逼真[U]
4. 【哲】实在[U]

n.

1. the state of things as they actually exist, as opposed to an idealistic or notional idea of them.
   ▸the quality of being lifelike.
   ▸ [as modifier] denoting television programmes based on real people or situations, intended to be entertaining rather than informative:

   reality TV.
2. a thing that is actually experienced or seen.
3. the state or quality of having existence or substance.
   ▸Philosophy  existence that is absolute or objective and not subject to human decisions or conventions.