He'd made it seem rather a lark, to be visiting a supposedly haunted house.是什么意思？

He'd made it seem rather a lark, to be visiting a supposedly haunted house.

他把到一间据说闹鬼的屋子探访说得好像多有意思似的。

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

it

pron. 它，他，正好是所需的，事实[情况]；n. <美俚>傻瓜，笨蛋，<俚>绝妙的人，理想的东西，登峰造极；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

seem

v. 好像，仿佛，似乎，装作，看来好像；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

rather

adv. 稍微，有点，相当，颇，宁愿，相反地；int. 当然啦，怎么不；

例句
These wines may taste rather hard and somewhat acid.
这些酒可能喝着比较冲并且有股酸味。

lark

n. 云雀，百灵鸟，<口>玩笑，嬉戏；vi. 捉云雀，嬉戏；

例句
He got the part, and eventually decided the acting lark wasn't half bad.
他赢得了那个角色，一番考虑后觉得演戏这玩意儿感觉也还不错。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

be

v. 是，有，存在，做，成为，发生；aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

visiting

n. 拜访，访问；v. 访问( visit的现在分词 )，探望，参观，游览；

例句
...family members and visiting artists of one kind or another crowding the huge kitchen...
聚集在这个宽敞厨房里的家庭成员和来访的各类艺术家

supposedly

adv. 据认为，据推测，据称，一般相信；

例句
The initiative has been given the supposedly catchy title of the 'Citizen's Charter'.
提案取了个据说很容易记住的名字，叫做《公民宪章》。

haunted

adj. 闹鬼的，忧心忡忡的；v. “haunt”的过去式和过去分词；

例句
His parents' obsession with keeping up appearances haunted his childhood.
父母过于爱面子的做法在他儿时一直困扰着他。

house

n. 房屋，全家人，（从事某种生意的）公司，（英国）下议院；v. 给…提供住房，收藏，安置；

例句
He was born in 1768 in the house abutting our hotel.
他于1768年出生于我们旅馆旁边的一幢房子里。