寒来暑往

hánláishǔwǎng

as summer goes and winter comes—as time passes; with the passage of time

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with the passing of time

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with the passing of time

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寒来暑往

hán lái shǔ wǎng

Cold and heat succeed each other. -- as time passes; as summer goes and winter comes; as the years roll on (go by); change of seasons; lapse of time; The cold comes and the heat departs.; the interchange of summer and winter; the vicissitudes (alteration) of the seasons; with the passage of time; year in and year out