The flying jeep was created to fulfill a contract to create a lightweight helicopter that could be landed in any terrain.

会飞的吉普是为了履行一个契约创造出来的，那就是创造出重量轻的直升机可以在任何地形着陆。

youdao

The parties to a contract shall fully fulfill their obligations pursuant to the terms of the contract.

合同的双方当事人应当按照合同条款，充分地履行各自的义务。

youdao

A Labour contract once concluded in accordance with the law shall possess legal binding force. The parties involved must fulfill the obligations as stipulated in the Labour contract.

劳动合同依法订立即具有法律约束力，当事人必须履行劳动合同规定的义务。

youdao

So I wasn't under a contract but let's come back and fulfill that promise anyway.

虽然我们没立下合同,但是我们以后会回来履行这个承诺的

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The law basically says that you must do everything you can to fulfill a contract, unless it is all but physically impossible to do so.

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"He may have written the fourth to fulfill a contract or because he needed more money, " said Michael Schmidt, the executor of Ford's literary estate.

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If an act of nature, a specific supplier or some other uncontrollable act can make it impossible for you to fulfill a contract (and thus open yourself up to legal action) then you should be putting to ink that you are not liable for incomplete work due to these factors.

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