You have to be constantly on your guard against being robbed, beaten or dragged into cars by strangers.

BBC

So it follows that you, as a westerner, have to be very much on your guard. 10.26.24 Sirous Naseri Listen, this programme that you have is not for sale.

BBC

You end up constantly on guard, with your adrenaline pumping to the fight or flight responders in your brain, leaving your best intellectual power untapped and unavailable.

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That said, when boredom creeps in for you or you can sense it in your team be on guard.

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