Just out of interest, how old is your wife?

只是出于兴趣，你老婆多大了？

Just out of interest, where will you go skiing next month?

只是出于感兴趣问一下，你下个月要去哪里滑雪？

You run out of interest in communicating with them because they’ve let you know that they’ve run out of patience with listening to you.

你索然无趣，他们的不耐烦让你明白他们没耐心与你交谈。

Brindley had begun on his own account, out of interest, to survey the waterways that he travelled as he went about his engineering projects for mills and mines.

布林德雷在为他的磨坊和矿井建筑工程到处奔走的同时，出于自愿和兴趣，对沿途经过的河道进行了勘察。