抖

dǒu to tremble; to shake out; to reveal; to make it in the world

音

yīn sound; noise; note (of musical scale); tone; news; syllable; reading (phonetic value of a character)

搜索

sōu suǒ to search (a place); to search (a database etc)

痕迹

hén jì vestige; mark; trace

清除

qīng chú to clear away; to eliminate; to get rid of

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