1. just:

例：

Sorry, she just left for home. Can I take a message? （抱歉，她刚刚回去了，您留个话，我带给她。）

The war had just ended, and the country's economy was in ruins. （战争刚结束，国家经济千疮百孔。）

You've had your hair cut, haven't you? I've just noticed. （你刚剪了头发是吗？我刚才注意到了。）

I just heard the news! Congratulations! （我才听说这个消息，恭喜你啊！）

John's just told me that he's getting married. （约翰刚刚告诉我他要结婚了。）

I've just been out shopping. （我刚刚出去买东西了。）

2. only just: a very short time ago 很短的时间前

备注：''only just''常用于英式英语中。

例：

It's noon, and she's only just got up. （中午了，她刚起床。）

I've only just passed my driving test, so I'm still a little nervous. （我刚拿到驾照，所以开车还有点紧张。）

3. a minute/second ago: a very short time ago - use this especially when a situation has changed 很短时间前，多用于指情况已发生变化

备注：''a minute/second ago''常用于口语中，英式英语中常用''a moment ago''。

例：

She was here a minute ago. （她刚刚还在这里。）

There was a phone call for you a second ago, but I didn't know where you were. （刚刚有个电话找你，但我不知道你去哪了。）

What did I do with my glasses? I had them in my hand a moment ago. （我把眼镜放哪了？我刚刚还拿在手上。）

The little girl you saw a moment ago was my niece. （你刚刚看见的那个小女孩是我的侄女。）

4. just now: a very short time ago - use this especially when you are answering someone who is looking for someone else 多用于在有人找人时你的回答

备注：''just now''常用于口语中，英式英语中常用''just this minute''。

例：

She just now left, so she should be home by six. （她刚走，六点前应该会到家。）

Sandy was on the Internet just now—that's why the phone was busy. （珊迪刚刚在上网，占着网线了，所以电话才一直提示忙音。）

Where have my glasses gone? I had them just now. （我眼镜去哪了？刚刚还戴着来着。）

just this minute

"Have you seen Carl?'' "I just this minute hung up on him.''（-你看见卡尔了吗？ -我刚刚还跟他在一起呢。）

Didn't I just this minute tell you to tidy your room! （我刚才是不是跟你说过要你整理房间来着？！）

5. barely: use this to say that something had just happened when something else happened 一件事才发生，另一件事就发生了

备注：''barely''常用于口语中，英式英语中常用''hardly''或''scarcely''。

例：

She had barely slept 10 minutes before she was woken up again. （她才睡了10分钟，就又被吵醒了。）

Graham had barely finished his coffee when Henry returned. （格拉哈姆才刚喝完咖啡，亨利就回来了。）

The class had barely started when the fire bell rang. （才开始上课没多久，火警就响了。）

Hardly had King finished speaking when a shot was fired by someone in the crowd. （国王的演讲刚结束，人群中就有人开了一枪。）

I had scarcely opened the door when the dog came running in. （我才把门打开，狗狗就冲进来了。）