It is sad that so many of his paintings have been lost.

他的画作有很多已经失传了，真可惜。

《牛津词典》

You may be a little rusty, but past experience and teaching skills won't have been lost.

你可能会有点生疏，但过去的经验和教学技巧不会丢了的。

《柯林斯英汉双解大词典》

Some scientific books have been lost.

有些古代科学著作已经失传了。

youdao

Some of the biggest boats to ever sail the lakes have been lost in sudden November storms.

VOA: special.2009.11.11

Human and personal possibilities have been lost.

人类和个人的潜能已经消失。

哈佛公开课 - 幸福课课程节选

There seems to have been something of a kind of outcry about the style of Paradise Lost. Look at page 210 in the Hughes.

当时人们对《失乐园》的格式,似乎有过强烈反对，翻到休斯版的210页。

耶鲁公开课 - 弥尔顿课程节选

That lesson seems to have been lost on a number of people this week.

FORBES: 'Brave', 'Iron Man 3', And The Faux Feminism Of Armed Women

Referendums would have been lost in many other countries had their people been given a say.

ECONOMIST: The future of the European Union

The long-term unemployed are a big part of that 8.5 million jobs that have been lost.

WHITEHOUSE: Press Briefing