be on (one's) guard
1one's guard — ▪ On (or not on) the alert for possible danger ▪ Wary (or unwary) about what one says or does ● guard …
2be on one's guard — index beware Burton s Legal Thesaurus. William C. Burton. 2006 …
3put on one's guard — index alert, notice (give formal warning) Burton s Legal Thesaurus. William C. Burton. 2006 …
4Off one's guard — Guard Guard, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See {Guard}, v. t.] [1913 Webster] 1. One who, or that which, guards from injury, danger, exposure, or… …
5On one's guard — Guard Guard, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See {Guard}, v. t.] [1913 Webster] 1. One who, or that which, guards from injury, danger, exposure, or… …
6on one's guard — adjective vigilant on guard against con artists must remain on your guard in such a situation • Syn: ↑on guard, ↑upon one s guard, ↑on your guard • Similar to: ↑wary * * * VIGILANT, alert, on the alert …
7lower one's guard — lower (or let down) one s guard relax one s defensive posture, leaving oneself vulnerable to attack if you lower your guard or take a step backward, I will throw in the towel ■ reduce one s level of vigilance or caution she was not ready to let… …
8upon one's guard — adjective vigilant (Freq. 1) on guard against con artists must remain on your guard in such a situation • Syn: ↑on guard, ↑on one s guard, ↑on your guard • Similar to: ↑ …
9on one's guard — index careful Burton s Legal Thesaurus. William C. Burton. 2006 …
10off (one's) guard — idi off (one s) guard, unprepared; unwary …
