lightly
adv
1 in a light manner 轻轻地; 轻巧地.
2 without serious consideration 轻率地; 不严肃地
Marriage is not something to be undertaken lightly. 婚姻大事不可掉以轻心.
3 (idm 习语) get off `lightly/`cheaply (infml 口) escape serious punishment or inconvenience 逃过重罚或麻烦事.
Here and here. And I can only move my arm as much as this.
这儿和这儿。我只能这样摆动手臂。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.