A letter or telephone call comes from someone you have not met, and you find yourself imagining what the person looks like, putting a face to the hidden voice.
參考答案:当你接到了陌生人的电话，你会想象他的长相，猜测发出这个声音的人有一张什么样的脸。
大概就是这个意思，这个没有办法直译的，只能意译
A letter or telephone call comes from someone you have not met, and you find yourself imagining what the person looks like, putting a face to the hidden voice.
參考答案:当你接到了陌生人的电话，你会想象他的长相，猜测发出这个声音的人有一张什么样的脸。
大概就是这个意思，这个没有办法直译的，只能意译