sentinel

A sentinel struck the rings of his carbine against his left hand.

一个哨兵把他的步枪拍的一声转到左手。

Cedar columns stand sentinel in the ceremony rooms, their quiet strength connecting the congregants to this heritage.

雪松如列站在仪式室的哨兵，它们宁静庄严的气质将活动与场地联系在一起。

My mother tiptoed from their room to find me patiently waiting in the same spot she had left me, standing like a sentinel in the hallway.

母亲从她们房间蹑手蹑脚地走出来，看到我耐心地等在原地，像个哨兵似的站在走廊上。