stand ramrod straight

• 直挺挺地站着

stand ramrod straight的用法和样例：

例句

1. He was sitting very straight in his chair.
   他直挺挺地坐在椅子上。
2. The President sat up straight in his chair, a piece of beige plastic in his ear.
   总统直挺挺地坐在椅子上，一只耳朵塞着一块米色的塑料。