dǒu
steep
precipitous
abrubtly
suddenly
unexpectedly
dǒu pō
steep incline
water chute
sluice
dǒu rán
suddenly
unexpectedly
abruptly
precipitously
stumbling
dǒu jùn
precipitous
high and steep
dǒu bì
steep cliff
precipice
vertical slope
dǒu diē
precipitous drop (in price)