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mourning clothes; mourning attire; mourning dress
喪服を着て参列した。
I attended the service in mourning clothes.
翌日の葬儀のため喪服を用意した。
I prepared my mourning clothes for the next day's funeral.
突然の訃報に接し、急いで喪服を買いに行った。
Upon the sudden news of a death, I rushed out to buy mourning clothes.