dubitative

adj.怀疑的,半信半疑的

表示怀疑的，犹豫的

形容词

1. She looked dubitative when he proposed the idea. 她对他的提议显得犹豫不决。
2. He had a dubitative expression on his face, unsure of whether to proceed or not. 他脸上带着怀疑的表情，不确定该不该继续。