不在值班

turn off

bad debt written off【会计】;write-off bad debt【会计】;write-off uncollectible account【会计】

Don't put off till tomorrow what should be done today

laid-off workers

shoot off one's mouth

charge against【会计】;abatement【会计】;write off【会计】

split off

well-off family; comfortably-off family