unfocused
/ˌʌnˈfəʊkəst/(亦作unfocussed)
adjective
1- (of a person or their eyes) not seeing clearly; appearing glazed or expressionless（人或眼睛）不聚焦的; 目光茫然的。
1.1
- (of an optical device) not adjusted to focus（光学装置）不形成焦点的, 不调焦的。
1.2
- (of a lens) not making incident light rays meet at a single point（镜片）不能使入射线集中于一点的。
1.3
- (of an object of vision) not in focus; indistinct（视觉对象）不清晰的; 模糊的。
1.4
- (of feelings or plans) without a specific aim or direction（情感, 计划）无特定目标（或方向）的：
my aspirations to write history were real but unfocused.
我写历史的愿望很真切, 但具体目标尚不明确。