戒備森嚴

heavily-guarded

to guard against / to exhort / to admonish or warn / to give up or stop doing sth / Buddhist monastic discipline / ring (for a finger)

to take precautions / to guard against (emergency)

to prepare / get ready / to provide or equip

(bound form) to prepare; to equip / (literary) fully; in every possible way

forest

strict / rigid / tight (security)

surname Yan

tight (closely sealed) / stern / strict / rigorous / severe / father