形式婚姻的英文：
marriage of convenience

指不是因为恋爱、家庭或爱情而结合的婚姻。

marriage是什么意思：
n. 结婚；婚姻生活；婚礼

an irregular marriage.
不合法的婚姻

You will notice the drift in this marriage.
在这桩婚姻中你会注意到流向。

Marriage comes by destiny
姻缘命中定

Marriages are made in heaven
姻缘天注定

She has a great perspective on marriage.
关于婚姻生活，她的观点确实非常有意义。

convenience是什么意思：
n. 方便；便利的事物，便利设施；（公共）厕所

An apartment that is convenient to shopping and transportation.
购物和交通均很近便的公寓

The lower deck is more convenient.
下层甲板更方便些。

The terrace channels are convenient for irrigation.
梯田的沟渠便于灌溉。

Convenient noodles are not good for health.
方便面对身体不好。

convenient lie = a convenient lie is usually what they would want to hear as an answer
为迎合别人的想法而编造的谎言