off his guard   (TTS Sound)

The off_his_guard has 1 Senses.

• off his guard, off your guard, off one's guard, off her guard, off-guard, off guard, napping
• not prepared or vigilant; "the blow caught him napping"; "caught in an off-guard moment"; "found him off his guard"
• 準備されなかったか、気を配っていない