二十八宿之一Rooftop, one of the 28 constellations

使处于危险境地to endanger

临死to face death

• 病危

  be critically ill

• 临危

  at death's door

参见：危险[wēixiǎn]

• 转危为安

  pull through danger and reach safety

高<书>towering

• 危岭

  towering mountain

端正<书>upright