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动词窃喜,独自暗中地笑; 窃窃暗笑; 哑然失笑; 暗暗发笑
1. 窃喜,独自暗中地笑:chuckhole 路坑 | chuckle to oneself 窃喜,独自暗中地笑 | chuckle 吃吃笑
2. 暗自发笑:抿嘴笑,暗笑 chuckle | 暗自发笑 chuckle to oneself | 强作笑颜 force a week smile