She traced a line in the sand.

她在沙地上画了一条线。

《牛津词典》

But the lodging industry must wake up, draw a line in the sand and figure out a way to put the beast back in the cage.

不过，酒店行业必须醒悟了，要明确表明自己的立场，而且想办法把在线旅行社这只野兽关回笼子里面去。

youdao

Brown said Iran was guilty of "serial deception" and it was time for the international community to draw a line in the sand.

布朗说，伊朗有“系列欺骗”的嫌疑，现在是国际社会清楚表明立场的时候了。

youdao

Prime Minister Brown was blunt. "Confronted with the serial deception of many years, the international community has no choice today but to draw a line in the sand,".

VOA: standard.2009.09.25

What it does most significantly, though, is draw a line in the sand for entrepreneurs.

FORBES: Drawing The Line: Why Startups Are 'Sexy' And Small Businesses 'Meh'

Is that a line in the sand that the President is willing to draw as well?

WHITEHOUSE: Press Briefing

But the Republicans have said they've drawn a line in the sand on anything.

WHITEHOUSE: Press Briefing