订立的英文：
agree to (treaty, contract, agreement)

参考例句：

Make a league
订立盟约

Negotiating in bad faith under the pretext of concluding a contract.
假借订立合同，恶意进行磋商。

Make a league with me.
和我订立盟约吧。

Wales concluded a treaty with Scotland.
威尔士与苏格兰订立条约。

They refused to covenant with my father for the property.
他们不愿与我父亲订立财产契约。

(ii) the contract was grossly unconscionable at the time of its conclusion.
(二)在订立合同时显失公平的。

Consequently, the seller contracts for insurance and pays the insurance premium.
因此,由卖方订立保险合同并支付保险费。

We sold the house by private treaty.
我们私下订立协议把房子卖了。

The parties may enter into a contract by referencing a model contract for the relevant contract category.
当事人可以参照各类合同的示范文本订立合同。

Invalid　labour contracts are not legally binding from the　moment　they are　concluded.
无效的劳动合同，从订立的时候起，就没有法律约束力。

agree是什么意思：
v. 商定，约定；同意；赞成；承认；一致；符合；适宜

The day after, she agreed.
一天之后，她同意了。

Birds in their little nests agree
同巢之鸟相处好;家和万事兴

Friends agree best at distance
君子之交淡如水

treaty是什么意思：
n. 条约，协议；谈判

They negotiated a treaty.
他们商订了一项条约。

The government denounced the treaty.
政府通知废止该项条约。

They met to finalise the terms of the treaty.
他们会晤确定条约的条款。

contract是什么意思：
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约

The contract was negotiated.
合约已谈妥。

confidentiality of contracts
合同的保密性

Renewal of contract
合同的续订