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悲喜こもごも, 悲喜交交, 悲喜交々, ひきこもごも
1. bittersweet, having mingled feelings of joy and sorrow, joy and sorrow alternating in one's heart
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题;表示与另一选项(无论是否明确提及)形成对比;表示强调