You have their picture set as background or lock screen (or BOTH!) on your phone.

你把对方的照片设置为手机的背景或锁屏(或两者皆是)。

youdao

Ask them to set a table for a few people and have a picture in their mind, and then have a description.

让他们为几个人摆一张桌子，在脑海中有一个画面，然后有一个描述。

youdao

We must get the right kind of frame to set off the picture.

我们得找个合适的镜框把这幅画衬得更加好看。

《新英汉大辞典》

and it struck me that that there was a lot missing from the picture that has been given in Washington as they were trying to set policies that would affect education, that would affect the regulation of entertainment in terms of understanding of young people's relationships to technology.

让我感到震惊的是,在整件事情上还有许多东西不为人所知,在华盛顿这些都展示于世人面前,正如他们在制定政策,能够影响教育的发展，影响娱乐业的行业规则,至于了解,年轻人与技术的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

Written and directed by Willard Carroll, who seems a little too proud of his own dialogue, the picture is set in an improbably luscious Los Angeles, where the most pressing problem seems to be the difficulty of finding a date.

NEWYORKER: Playing by the Heart

Then came the semiweekly tourist ship that would take sightseers to the O'Higgins Glacier -- a favorite among the global warming picture-taking set.

CNN: The loneliest cowboy in the world

Nor does it help that Jamie is so withdrawn as to be downright dull. (Nothing is harder to write than an interesting play about a dull person.) The biggest problem of all is the ending, which feels contrived rather than earned, just as Mark Wendland's picture-puzzle set is too explicitly symbolic of the play's theme.

WSJ: Persons of Interest | The Great God Pan | Our Town | Theater Review by Terry Teachout