An extremely large number; countless or myriads.
形容为数极多。
唐·杜牧《晚晴赋》千千万万之状容兮，不可得而状也。”
There are thousands upon thousands of stars in the night sky.
Learn the next connected idiom: 千千万万 (qiān qiān wàn wàn) → 万无一失 (wàn wú yī shī)
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