1、He is always legging after his brother whenever he goes.
他兄弟無論去那兒，他總跟在后面。

2、However, compared with Europe and North America, Asia is legging behind in regional cooperation.
但是，與歐洲和北美區(qū)域合作相比，亞洲區(qū)域合作相對落后。

3、And please, a legging is not a pant!
并請，一裹腿不是喘氣！

legging翻譯