bed of nails

a board with nails pointing out of it, as lain on by fakirs and ascetics

（苦行僧或禁欲主義者睡的）釘床

a bed of roses

[often with negative]used in reference to a situation or activity that is comfortable or easy

稱心如意的境遇；安樂窩

farming is no bed of roses.

農活可不是什么輕松愉快的事。

be brought to bed

(archaic)(of a woman) give birth to a child

(古)（女人）分娩

she was &B{brought to bed of} a daughter.

她生了個女兒。

get out of bed on the wrong side

start the day in a bad mood, which continues all day long

一起床就一直心情不好

in bed with

(informal)having sexual intercourse with

(非正式)與…同房，與…上床

keep one's bed

(archaic)stay in bed because of illness

(古)（因?。┡P床不起

one has made one's bed and must lie in (或 on) it

one must accept the consequences of one's own actions

為自己的行為承擔后果

put someone to bed

take or prepare someone, typically a child, for rest in bed

安頓某人（尤指小孩）睡覺

put something to bed

(informal)make a newspaper or book ready for press

(非正式)將（報紙，圖書）付印

take to one's bed

stay in bed because of illness

（因?。┡P床不起

get into bed with

&I{Slang} To become closely involved with another person or group, as in an intrigue

&I{【俚語】} 成為伙伴：變得親密，與另一個人或一個團體牽扯在一起，如在一個陰謀中

“The Israelis were experienced at&I{ [covert]} work, but it was essential that the administration not get into bed with them on this” (&b{Bob Woodward})

“以色列人在&I{[秘密]} 工作方面是有經驗的，但重要的是政府不要在這方面與他們攪在一起” (&b{鮑勃·伍德沃德})

go to bed with

To have sexual relations with.

上床，同床：與…發生性關系