unmask one's batteries
动词 v.
英文释义
动词 v.
-
To begin a decisive action, especially one that reveals one’s true strength or character.
— “Your father is fond of surprises, as you must have seen,” Cuthbert rejoined. “He won’t unmask his batteries till all is ready for action.”
- Used other than figuratively or idiomatically: see unmask, battery.
词形变化
词源
From the revealing of artillery previously concealed from the enemy’s line of sight, immediately before opening fire.
3 次浏览
数据来源: Wiktionary