To be at an impasse; to have no way forward or backward; to be in a desperate situation with no escape.
他发现自己被困在一片荒野中，燃料耗尽，手机没信号，真是进退无路
He found himself trapped in a wilderness, out of fuel and with no cell signal, truly at an impasse.
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To be at an impasse; to have no way forward or backward; to be in a desperate situation with no escape.