to break new ground (for agriculture); to open up (a new seam); to develop (border regions); fig. to open up (new horizons)[cedict]
出
chūㄔㄨ
to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to occur; to happen; classifier for dramas, plays, operas etc[cedict]
大峡谷
xiá gǔ ㄒㄧㄚˊ ㄍㄨˇ
great valley; Grand Canyon of Colorado River[cedict]