Je was op zoek naar: 这些人至今下落不明 (Chinees (Vereenvoudigd) - Engels)

这些人至今下落不明。
their whereabouts remain unknown.

但是估计有1 000人不愿意迁到shimelba，这些人至今下落不明。
an estimated 1,000 residents chose not to be resettled at shimelba, however, and their whereabouts are not known.

在6月下旬发生的一起事件中，据说卢旺达武装团伙在布卡武 -- -- kalonge中轴线一带绑架了50多名平民，这些人至今下落不明。
in one incident in late june, armed rwandan groups allegedly kidnapped over 50 civilians along the bukavu-kalonge axis, and the whereabouts of those individuals is still unknown.

下落不明
unknown whereabouts