- 默默: quietly; silently; mute
- 无声: noiseless; silent
- 默默无闻: unknown to the public; be completely unknown or unrecognized; be buried in oblivion; cut no figure; in the shade; of no reputation; remain in obscurity; without attracting public attention 一生默默无闻remain obscure all one's life
- 默默无闻的: obscure; of no reputation
- 默默无闻地: ingloriously
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