系统

xì tǒng system; CL:個|个[ge4]

包

bāo to cover; to wrap; to hold; to include; to take charge of; to contract (to or for); package; wrapper; container; bag; to hold or embrace; bundle; packet; CL:個|个[ge4],隻|只[zhi1]

Bāo surname Bao

去

qù to go; to go to (a place); (of a time etc) last; just passed; to send; to remove; to get rid of; to reduce; to be apart from in space or time; to die (euphemism); to play (a part); (when used either before or after a verb) to go in order to do sth; (after a verb of motion indicates movement away from the speaker); (used after certain verbs to indicate detachment or separation)

哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

下

xià down; downwards; below; lower; later; next (week etc); second (of two parts); to decline; to go down; to arrive at (a decision, conclusion etc); measure word to show the frequency of an action

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