verb; when an attacker openly declares his intent to attack; it refers to a person who is very straightforward, who makes his intentions clear.
Definitions (粵典–words.hk)
語句
公開行動或意圖，無隱瞞 to be open and blunt about one's actions and intentions; to act in an overt manner; to put all one's cards on the table; literally: openly shown sword and spear