どさくさ紛まぎれ

noun

in the confusion of the moment; taking advantage of the confusion

Used when someone does something sneaky or opportunistic while everyone is distracted or in chaos. Often implies a slightly underhanded act.

• 火か事じのどさくさ紛まぎれに泥どろ棒ぼうが入はいった。

  A thief broke in during the confusion of the fire.

• 彼かれはどさくさ紛まぎれに彼かの女じょの電でん話わ番ばん号ごうを聞きき出だした。

  He took advantage of the confusion to get her phone number.