怎样

zěn yàng how; why

清除

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

搜索

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

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

所有

suǒ yǒu all; to have; to possess; to own

痕迹

hén jì vestige; mark; trace

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