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backward and forward
01
彻底地, 全面地
in a manner that includes all necessary parts, elements, or aspects of something
Dialect
American
American
IdiomWhat is the origin of the idiom "backward and forward" and when to use it?
The idiom "backward and forward" is an extension of the idiom "know something back to front." In this case, it emphasizes a more comprehensive understanding by suggesting that one knows every aspect of the subject so well that they can navigate it as easily backward as they can forward. This expression is used to describe an in-depth and complete understanding of a subject, task, or situation. It implies that the person is so familiar with it that they can handle it effortlessly, both forwards and backwards. It can be applied in various contexts, such as work, hobbies, or expertise in a particular area.
Example
After years of studying the language, she understands French literature backward and forward.
经过多年的语言学习，她对法国文学了解得彻底地、全面地。
He is familiar with the financial market backwards and forwards, so he can predict trends accurately.
他对金融市场了解得彻底、全面，因此能够准确预测趋势。
02
来回, 往返
moving from one place to another and back again
