To fix in an upright position.
使直立，使竖立使固定于一个竖直的位置
make(sth)straight or level
使（某物）变直或变平
To look straight at the sun dazzled the eye.
直接看太阳会使人目眩。
The bottomless cold paralyzes him.
无底的寒泉使他僵直。
Operation From DC Power Supply: Batteries.
使用直流电源：干电池。
adjust with a plumb line so as to make vertical.
用铅垂线调整使得垂直。
The bright light made him wink.
强烈的光使他直眨眼睛。
She was taken aback by his directness.
他的直率使她吃惊。
This calendar was in use up to 1582.
该历一直使用到1582年。
Ruling pens are still in use.
直线笔目前仍在使用。
To join or consolidate by ankylosis.
使连结，使长合通过强直法使骨长合或连结
The consolidation of bones or their parts to form a single unit.
关节强直使骨和其它部位强直并形成一体
Straighten out your hand, wrist and forearm so they form a straight line.
将你的手、手腕和前臂伸直，使其成一条直线。
Align the tops of a row of pictures; aligned the car with the curb.
使一排画的顶端形成一条直线；使汽车沿路边排成一条直线
To straighten(hair) by a chemical process; conk.
使卷发变直通过化学程序把（卷发）弄直；把卷曲的头发弄直
Causing excitement, terror, or thrills.
使人毛发直竖的使人兴奋，恐惧或感到刺激的
This forthright answer drew the fangs of his criticism.
这直率的回答使他的批评失去了力量。
We admired him all the more for his frankness.
他的率直使我们对他更加敬佩。