5 scary English idioms

source: Learn English with Papa Teach Me     2017年10月21日
Learn 5 super useful English idioms and their scary origins in today's Halloween themed English lesson!
0:30 - A skeleton in the closet
2:17 - As dead as a dodo / As dead as disco
2:59 - Bucket list
3:20 - The graveyard shift
3:39 - Saved by the bell