Translation

行動する / 振る舞う / 演じる / 行為

Meaning

To do something, especially something that has a clear purpose or effect. It also refers to how someone conducts themselves or how they perform a role.

Examples

• She decided to act quickly before the situation got worse.
  She decided to act quickly before the situation got worse.
• The government must act now to reduce pollution.
  The government must act now to reduce pollution.