那个孩子在人群中迷路时感到无助。

The child felt ___helpless when lost in the crowd.

我记得有一天在学校，因为我把眼镜忘在家里了，我感到多么无助。

I remember one day in school how ___helpless I felt because I had forgotten my glasses at home.

没有向导，她在这个陌生的城市里完全无助。

Without her guide, she was utterly ___helpless in the unfamiliar city.