mourning
n [U] black or dark clothes worn as a (conventional) sign of grief at sb's death 丧服(黑色或深色的)
When grandmother died they went into (ie started to wear) mourning. 祖母逝世时他们开始服丧.
She was in mourning for a month. 她服丧一个月.
Some stories are for swallowing. Imagine that you have found a good story, and, what is even more important, the time to enjoy it. You might be on holiday, or on a long train journey. If it is a good book, you might say, It's so good I can't put it dow