be+on+guard
41guard of honour — noun count BRITISH an HONOR GUARD …
42guard dog — guard dogs N COUNT A guard dog is a fierce dog that has been specially trained to protect a particular place …
43guard of honour — ► guard of honour a group of soldiers ceremonially welcoming an important visitor. Main Entry: ↑guard …
44guard's van — ► NOUN Brit. ▪ a carriage or wagon occupied by the guard on a train …
45guard-book — guardˈ book noun A blank book with guards • • • Main Entry: ↑guard …
46guard|ant — «GAHR duhnt», adjective, noun. –adj. guarding; protecting. –n. Obsolete. a guard; guardian …
47guard|ee — «GAHR dee», noun. British. a member of the guards; guardsman. ╂[< guard + ee] …
48guard|house — «GAHRD HOWS», noun. 1. a building used by soldiers on guard. 2. a building used as a jail for soldiers …
49guard|room — «GAHRD ROOM, RUM», noun. 1. a room used soldiers on guard. 2. a room used as a jail for soldiers …
50guard against something — ˈguard against sth derived to take care to prevent sth or to protect yourself from sth • to guard against accidents/disease Main entry: ↑guardderived …