凑巧 (湊巧) còuqiǎo

còuqiǎo adverb fortuitously; luckily
Domain: Modern Chinese 现代汉语 , Subdomain: Luck
Notes: (CC-CEDICT '湊巧'; Guoyu '湊巧'; Mathews 1931 '湊巧', p. 101)

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不凑巧