'I'm afraid the city's gate might still be shut. You might need to defend yourself on the way here.'
'The city's gate may still be closed. Be prepared to defend yourself on the way here.'
'I worry the gate to the city is still locked. You might have to protect yourself on your way here.'
'I'm concerned the city's gate remains shut. You might have to fend off threats on your way here. '
'The city's gate might still be locked. Stay ready to defend yourself as you come.'
'There's a chance the city's gate is still closed. You may need to protect yourself on your way.'
'I'm afraid the city gate might be closed. You might need to defend yourself while coming here.'
'The gate of the city could still be shut. Prepare to defend yourself on the way.'