I could sit and watch the river all day long.
我可以整天坐在這里看那條河。
The general had to get his troops across the river.
將軍必須讓部隊過河。
His guitar makes a noise like a wooden ruler being twanged upon a desk
他的吉他發出一聲仿佛木尺彈在課桌上的噪音。
He cracked me on the head with a ruler.
他用尺子猛擊我的頭部。
The system ran like a well-oiled machine.
這個系統運行得就像一臺上了油的機器。
By that time the new system should be up and running.
到那時這個新系統應該會運轉起來了。