摘要："How old do I reckon she is? I'd say 38." "Spot on." （“我估计她多大了？我会说38岁。”“没错。”）[剑桥高级学者辞典]

spot on是英式英语的非正式表达，含义“极其准确、正中要害”，如

【例句1】His assessment of the situation was spot on. （他对形势的评估很准确。）[牛津高级学者辞典]

【例句2】His guess was spot on. （他的猜测很准确） [牛津高级学者辞典]

【例句3】The weather forecast was spot on—it rained all day! （天气预报准确无误——雨下了一整天！）[牛津高级学者辞典]

【例句4】"How old do I reckon she is? I'd say 38." "Spot on." （“我估计她多大了？我会说38岁。”“没错。”）[剑桥高级学者辞典]

有时为了避免误读，用spot-on，如

【例句5】Schools were told their exam information had to be spot-on and accurate. (学校被告知，他们的考试信息必须准确无误。)

【例句6】Judith is always spot-on with her advice. (朱迪思的建议总是很中肯。)[朗文当代英语词典]

a spot on是字面义，如

【例句7】The male bird has a red spot on its beak. (雄鸟的喙上有一个红点。)[牛津高级学者辞典]

【例句8】He had a large spot on his nose. （他鼻子上有个大斑点。）[牛津高级学者辞典]

来源：小黄科技天地