撸胳膊英语怎么说

撸胳膊 (lōu gē bìo) 是中文俚语，意思是“自己努力工作”或“自己努力做事”。这个词来源于网络用语，最早可以追溯到20世纪90年代后期。

在英语中，可以用类似的表达来描述这个意思，例如：

Roll up your sleeves and get to work. (把袖子卷起来，开始工作)
Put your back into it. (全力以赴)
Get your hands dirty. (动手干)

例句:

"I need to roll up my sleeves and get to work if I want to finish this project on time."
"If you want to succeed, you have to put your back into it."
"If you want to learn something new, you have to be willing to get your hands dirty."