guard

The security guard walks around the museum building every hour during the night.

(Chinese) 保安在夜间每小时都会绕着博物馆大楼巡逻。

A group of armed guards stands at the entrance to the gold storage facility.

(Chinese) 一群武装警卫守卫在黄金储存设施的入口处。

The fierce dog was trained to guard the property from any unwanted intruders.

(Chinese) 那只凶猛的狗经过训练，可以保护房产免受任何入侵者的侵害。

Police officers were assigned to guard the witness during the important trial.

(Chinese) 在重要的审判期间，警官被派去保护证人。

Never remove the safety guard from the electric saw while the blade is turning.

(Chinese) 锯片转动时，绝不要拆除电锯上的安全防护罩。

The heater has a metal guard to stop children from touching the hot elements.

(Chinese) 加热器有一个金属防护网，以防止孩子们接触到发热元件。