under-the-table deals

基本解释

So who spilled the beans about his under- the-table deals?
那到底是誰把他的枱底交易泄漏出去？
The Ministry of Public Security set up a special task force to investigate alleged game-rigging in September 2006, when rumors of under-table deals and fixing ran rife.
2006年9月，有關幕後交易和非法操縱的流言四起，爲此公安部設立了一支特別工作組，負責調查此事。
blog.sina.com.cn

What will likely occur are complaints of corrupt bargains and under-the-table deals against whoever wins the nomination.
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But the larger problem is, if you have these under-the-table deals that give the Russians permission to do these things, it gives the signal that it's O.
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They were either over-investing in some areas or under-investing in others with the result that they were leaving money on the table and missing out on deals they might otherwise have won.
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