(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
电脑
diàn nǎoㄉㄧㄢˋ ㄋㄠˇ
computer[cedict]
主机
zhǔ jīㄓㄨˇ ㄐㄧ
core[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
手脚
shǒu jiǎoㄕㄡˇ ㄐㄧㄠˇ
hand and foot; movement of limbs; action; trick[cedict]
快
kuàiㄎㄨㄞˋ
fast; quick; swift[cedict]
查
cháㄔㄚˊ
to research; to check; to investigate; to examine; to refer to; to search[cedict]