I'd like to buy a bouquet of flowers, preferably roses, but tulips or lilies would be fine too.

我想买一束花，最好是玫瑰，不过郁金香和百合也可以。

Hmm... I think my favorite is probably Monet's Water Lilies though.

嗯......我觉得我最喜欢的可能就是莫奈的《睡莲》。

There were lilies everywhere in tall white porcelain vases.

到处都是插在白瓷高花瓶里的百合花。

They are daffodils and lilies and snowdrops.

它们是水仙花、百合花和雪花莲。

The biggest of all is lilies and purple flags.

其中最大的是百合花和紫菖蒲。

There's lilies o' the valley here already; I saw 'em.

这儿已经有铃兰了；我看见它们了。

"Lilies o' th' valley does," he answered, digging away with the trowel, "an' there's Canterbury bells, an' campanulas."

“铃兰啊，”他一边用镘刀挖着，一边回答说，“还有吊钟花和风铃草。”