be helpless
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孤立无援
isolated and cut off from help
伊军突然侵吞了弱小无援的科威特.
The Iraqi troops suddenly conquered Kuwait, the small and hopeless state.
亨德里给人留下了孤独无援的深刻印象。
Hendry gives the strong impression of a man ploughing a lonely furrow.
研制成功一种钾盐无援电镀锌-镍合金新工艺。
The property of the coating is identical with electroplating Zn-Ni alloy coating in ammoniate.
研制成功一种钾盐无援电镀锌 - 镍合金新工艺.
The property of the coating is identical with electroplating Zn - Ni alloy coating in ammoniate.
无援
这场战役给日寇以沉重打击,彻底粉碎了日军妄图三天拿下衡阳的战略意图,打出了国威,振作了军威。此役国民党输得溃不成军,而曰军则赢得溃不成军。