an occasion on which a group of soldiers stand together in a formal arrangement in order to be given instructions before they start work

The soldiers were required to assemble for guard mount 15 minutes before the beginning of their work shift. 士兵需要在轮班开始前15分钟集合进行卫兵换岗。

The garrison faced a daily diet of guard mount, drill, inspections, cleaning of weapons, and other routine chores.

a ceremony in which a group of soldiers replaces the soldiers who have finished their time on duty standing outside an important public building

Men are at their posts until the guard mount the following morning. 士兵们会守在他们的岗位上直到次日清晨的换岗礼。

The guard is changed daily at 11.30am in a ceremony known as Guard Mounting.