外推

wài tuī to extrapolate

窗户

chuāng hu window; CL:個|个[ge4],扇[shan4]

打开

dǎ kāi to open; to show (a ticket); to turn on; to switch on

到

dào to (a place); until (a time); up to; to go; to arrive; (verb complement denoting completion or result of an action)

极限

jí xiàn limit; extreme boundary

关

guān mountain pass; to close; to shut; to turn off; to concern; to involve

Guān surname Guan

不

bù (negative prefix); not; no

上

shàng on top; upon; above; upper; previous; first (of multiple parts); to climb; to get onto; to go up; to attend (class or university)

shǎng see 上聲|上声[shang3 sheng1]

怎么办

zěn me bàn what's to be done

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