During the interview, his body-language showed nervousness as he kept fidgeting with his fingers.

body-language 是由 body（身体）和 language（语言）组成的复合词。 body 指"身体"。 language 本义是"语言"，在这里引申为"表达方式"。 body-language 指的是通过肢体动作、姿势、面部表情等非语言方式传达的信息，即"身体语言"。