The ex-president was under armed guard in the palace. 前总统在宫中处于武装警卫的保护之下。
The man's father was placed under guard.
He has receieved death threats and is currently under guard after speaking out against the gangs.
The convoy was under heavy guard as it made its way north.
He attended the funeral, but was under armed guard at all times.
See also: guard noun (PERSON WHO PROTECTS)