形容詞 defenseless:

1. lacking protection or support
   同義詞：defenceless
2. having no protecting or concealing cover- Shakespeare
   同義詞：naked
3. lacking weapons for self-defense
   同義詞：defenceless

副詞 defenseless:

1. without defense
   同義詞：defenceless, defenselessly, defencelessly

1. A city without gun or water is defenseless before an army.
   無槍炮或缺水的城市在大軍圍攻時是無法自衛(wèi)的。