Perhaps it is a little thing, pick up the pen you drop, lift a heavy box for you or offer you a seat in the bus.

也许是一件小事，拿起你的笔，为你提一个沉重的箱子，或为你提供一个座位在公共汽车上。

youdao

Reclining, sitting, lift up your leg, shake his seat, shake, look around, behavior, is not desirable.

斜靠、歪坐、跷腿、晃动座椅、抖动身体、东张西望等行为，都是不可取的。

youdao