ADJ [verb-link ADJ] 不知下落的；未予说明的 If people or things are unaccounted for, you do not know where they are or what has happened to them. 不知下落的；未予说明的
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5,000 American servicemen who fought in Korea are still unaccounted for.
在朝鲜作战的5,000名美国士兵现在仍然下落不明。
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About £50 million from the robbery five years ago is unaccounted for.
5年前发生的那起抢劫案中仍有大约5,000万英镑不知去向。
SYN missing, lost, mislaid, unexplained