He is thinking about a maths problem.他正在想一道数学难题。
You are getting fatter. It s a problem.你长胖了,这可是个问题。
(2)question 常指由于对某事感到疑惑不解而提出需要解答的问题,
常与ask和answer连用。
May I ask a question? 我可以问个问题吗?
(3)matter意为“事情”、“问题”,常指遇到意外的麻烦或令人烦恼的“问题”如:
What s the matter with you? 你怎么啦?
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1.receive/ accept
这两个词都是及物动词,表示“接到、收到”的意思,但有区别:
(1)receive强调“收到、接到”这一动作。
I received a letter yesterday.昨天我收到了一封信。
They received a warm welcome.他们受到了热情的欢迎。
(2)accept强调立场上的结果,表“领受、接受”意义。如:
I received his gift but I didn t accept it.我收到了他的礼物,但我没有接受它。
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2. raise/rise
(1) raise vt. “举起,升高”。指把东西升高些或促使某物上升。
Please raise your hand when you know the answer.你知道问题答案就请举手。
(2)rise vi.“上升”,指向上走动或移动,如河水上涨等。
The sun rises in the east and sets in the west.太阳从东方升起,西方落下。
rise还可作“起床,起身”解。He rise early.他起得早。
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3. right away/ right now/ at once/just now
(1)right away, at once侧重动作,有多种时态,谓语动词随时态变化而变化。
I ll return the book right away.我马上还书。
(2)right now 侧重时间,时态只限与一般现在时和一般将来时。
The doctor is busy right now.医生此刻正忙着。
I ll give you one or two instances just now.我正要给你举一两个例子。
但当just now 用于过去时的句子里时,表示“刚才”。如:
He came back just now.他刚才回来了。
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