off day

n.

感到身体不舒服的日子；

复数：off days

Off-day scheduling with hierarchical worker categories
Single-shift off-day scheduling of a hierarchical workforce with variable demands
Sizing and scheduling a full-time and part-time workforce with off-day and off-weekend constraints
Coaches, Players Provide Off-Day Entertainment
The accuracy of snow melt-off day derived from optical and microwave radiometer data — A study for Europe
Mellem arbejde og 'off-day'
Mellem arbejde og "off-day"- tvetydighedens muligheder i sociale virksomheder
Packers defense swarms Rams to salvage Rodgers’s off day in win
'They'll Need to Have an off Day and We'll Need to Come out Fighting'
The dos and don'ts for Cooling-off Day and Polling day