You are bound by the contract to pay before the end of the month.

按照合同规定，你必须在月底前付款。

《牛津词典》

The worker was bound to the master by a mutual contract that either one could repudiate, and the relationship was conceptualized as one of partnership.

工人和雇主因为共同合约而联系在一起，这一合约双方中任何一方都能拒绝履行，而且这种关系在概念上是一种合伙关系。

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Banks are in no way concerned with or bound by such contract, even if any reference whatsoever to it is included in the credit.

即使信用证中提及该合同，银行亦与该合同完全无关，且不受其约束。

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Rosberg, who has scored all of his team's 25.5 points so far this year, was a target of Mercedes-powered McLaren two years ago when they were looking for a replacement for double world champion Fernando Alonso but he was bound by his existing contract.

BBC: Rosberg targets switch to McLaren

Another doubted Diamond would become embroiled in the Serious Fraud Office's recently launched Libor probe, even if sources at Barclays confirmed to CNN they are bound by Diamond's contract to cover his legal costs, should he face any.

CNN: STORY HIGHLIGHTS

But American politicians are bound to kick up a stink about any contract going to a firm that has even a vestigial shareholding by foreign governments, albeit allies.

ECONOMIST: EADS and BAE Systems