百度

Bǎi dù Baidu, Internet portal and search engine, www.baidu.com, listed as BIDU on NASDAQ since 1999

一下

yī xià (used after a verb) give it a go; to do (sth for a bit to give it a try); one time; once; in a while; all of a sudden; all at once

， 你

nǐ you (informal, as opposed to courteous 您[nin2])

就

jiù at once; right away; only; just (emphasis); as early as; already; as soon as; then; in that case; as many as; even if; to approach; to move towards; to undertake; to engage in; to suffer; subjected to; to accomplish; to take advantage of; to go with (of foods); with regard to; concerning

知道

zhī dào to know; to become aware of; also pr. [zhi1 dao5]

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