使模糊、无关紧要：使某事物变得模糊、不重要或无关紧要。
抹去，摧毁：完全消除或摧毁某事物。
make undecipherable or imperceptible by obscuring or concealing
同义词： obscure / obliterate / veil / hide
Clouds blotted out the sun.
云遮住了太阳。
The victim's face was blotted out by a camera blur.
受害者的面部图像被做了模糊处理。
About the time the three climbers were halfway down, clouds blotted out the sun.
当3位登山者下到半山腰的时候，云层遮住了太阳。
There is no case around where you could have your emotions entirely blotted out.
周围没有这样的例子,主人公彻底失去情感。
心理学导论课程节选 : 耶鲁公开课
But love for Mr Bush has not blotted out their hatred for his predecessor.
ECONOMIST: Conservatives, off their leash, are a frightening bunch
The illustrations are revealing enough that librarians across the country once drew underwear and blotted out the offending genitalia.
Gary Hart was no prize, but should his 12 years as a Senator and 39-year marriage be blotted out by his dalliance with Donna Rice?