1. He has to deduce what he can from the few scanty clues available.
    他们不得不从获得的稀少而贫乏的线索中尽其所能地进行推断。

2. His scanty clothing could not keep out the cold.
    他衣着单薄不能御寒。

3. He has to deduce what he can from the few scanty clues available.
    他们必须根据现有的不充分的线索进行推理。