1、go straight down 沿著.一直走（方向是由里向外）
Just go straight down that street.只要沿著那條街一直走.
Go straight down the road and then turn left.沿著這條路一直走,然后左轉(zhuǎn).
2、keep to 待在；（使）遵守[堅(jiān)持]；保密；（使）談話不離題
You've got to keep to the speed limit.你必須遵守限速規(guī)定.
He had been unable to keep to his schedule.他沒(méi)能遵循自己的計(jì)劃.
Keep to the path or you may lose your way.沿著這條路走,否則你會(huì)迷路的.
Keep to the right of the road.請(qǐng)靠右邊走.
We always keep to our words.我們一向說(shuō)話算數(shù).
3、go straight on 繼續(xù)直走
Go straight on for two miles.一直走兩英里.
Go straight on until you come to a large building.一直往前走,直到你走到一座大樓.
Go straight on,take the first turning on the right.一直走,到第一個(gè)十字路口向右拐.
4、go straight ahead 一直向前走
Go straight ahead and then turn right.往前直走再向右轉(zhuǎn).
Go straight ahead ,please ...Look ,these are your rooms .請(qǐng)往前走.——瞧,這里就是你們的房間.
Go straight ahead and turn right at the first corner.向前走,在第一個(gè)拐角處向右拐.
go straight on,go straight ahead,還有keep straight on,這三個(gè)意思是一樣的,沒(méi)有什么區(qū)別.
Keep straight on until you get to the church.一直朝前走就走到教堂了.
Keep straight on till you get to the post office.一直走,不要轉(zhuǎn)彎,到郵局為止.
Keep straight on until you come to a bridge,then turn left.筆直往前走,碰到橋再往左拐.