up to the hub
短语深深陷入
释义与例句
phr.
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1.
As far as possible in embarrassment or difficulty, or in business; deeply involved.
古体 习语I am afraid A. F. S. (Dresden) gets "up to the hub" in engineering difficulties sometimes, but this will help him to appreciate the force, beauty and application of the expression.
词源
Suggesting a wheel stuck in mud.
来源:wiktionary