1. I thought he said we were the enemy.
enemy：敌人，敌方的
例：
Emotion is the enemy when trading.
情绪是交易的敌人。
If the hit box of your character's sprite comes into contact with the hit box of an enemy bullet, laser, or the enemy itself, then you have been hit.
如果你角色图像的击中格遭遇到敌方子弹、雷射或敌人本身的击中格的话，那么就代表你被击中了。
2. Let me explain.
explain：解释，说明
例：
Can you explain what a studio actually is?
你能解释一下摄影场到底是什么吗？
A new theory was needed to explain these discoveries.
我们需要一个新理论来解释这些发现。
3. No, I didn't mean...
mean：有意，故意
例：
Oh, my dear, I didn't mean to pry.
哦，亲爱的，我并不是想打听什么。
When I say I mean to do it, I mean it.
我说我要做那件事的时候，我是认真的。
4. It is time.
It is time：是时候了
例：
It is time for breakfast.
吃早饭的时间到了。
It is time for them to prepare for winter.
而此时正是它们准备过冬之际。