trail a pike

• vi. 当兵(服役)

trail a pike的用法和样例：

例句

用作不及物动词 (vi.)

1. A faint-hearted person should not be a soldier.
   懦弱的人不应该当兵。
2. His neatness is a carry-over from his army days.
   他爱整洁的习惯是他当兵时养成的。