checkered past

checkered past, chequered past = bad history 2:22 I'm wondering why Rich Dad would partner with a company with such a checkered past.「金持ち父さん貧乏父さん」のロバート・キヨサキさんが一体なんでこのような如何わしい会社と商売しているんですか、理解に苦しみますね。

'Rich Dad Poor Dad' Robert Kiyosaki Exposed - Part 3 of 3 Investigative Report
https://www.youtube.com/watch?v=gbL8XCp5dOw  1:11 now record revealing Jackson's checkered past. ジャクソンの尋常でない過去が明らかになった。
Woman Charged With Murder in US Navy Sailor's Traffic Death
https://www.youtube.com/watch?v=beh2q5FLGBA  0:43 we're also learning more about Houser and his checkered past. 映画館無差別銃撃の容疑者ハウザーの暗い過去について調査中です。
Louisiana theater shooter showed extreme views

練習問題解答
a-2502 checkered past
a-3566 your checkered past
a-3903 checkered careers
a-5509 his checkered past
b-5663 a checkered history