(1) bring一般是指拿来，即从别处往说话人这里拿，翻译成“带来”。
He brought us some good news.他给我们带来了一些好消息。
Please don’t forget to bring your homework tomorrow.明天请别忘了把家庭作业带来。
(2) take一般是指从说话人这里往别处拿，翻译成“带走”。
Please take the umbrella with you. It’s going to rain.要下雨了，请把伞带上。
She took the dictionary away.她把字典拿走了。
(3) carry不强调方向，表示“携带、背着、运送、搬扛”等意思。
They carried the boxes into the factory. 他们把箱子搬进了工厂。
A taxi carried them to the station. 出租车送他们到了车站
(4) fetch表示的是“去取来、去拿来、去叫来”等意思，包含去和来两趟。
The waiter fetched them some apples.侍者为他们取来了一些苹果。
Mother fetched the doctor for her ill son.妈妈为生病的儿子请来了医生。
