(proverb)what someone actually does means more than what they say they will do
(谚)事实胜于雄辩
start work or activity
开始行动，干起来
engaged in a certain activity; in operation
在活动，在运转
watching him in action, normal workers are left in awe.
看他工作，普通工人都肃然起敬。
a person whose life is characterized by physical activity or deeds rather than by words or intellectual matters
实干者
temporarily unable to engage in a certain activity; not working
暂停活动，不（再）起作用；不（再）运转，失效
a heart attack put him out of action.
他心脏病发作，无法继续工作。
put into effect; carry out
生效；实施