v. straighten up or out; make straight
v. make straight
v. get up from a sitting or slouching position
v. make straight or straighter
vt. 弄直, 整顿, 清理, 使改正
vi. 直起来, 改正, 好转
1. Please straighten your back while sitting.
请坐的时候保持背部挺直。
2. I need to straighten my hair before the party.
我需要在派对前把头发弄直。
3. Can you help me straighten the picture on the wall?
你能帮我把墙上的画弄正吗？