Take the first road on the left and then follow the signs.
走左边的第一条路，然后循着路标走。
As you approach the town, you'll see the college on the left.
快到市镇时就可以看见左边的学院。
Take the first right, then the second left.
在第一个路口向右拐，然后再在第二个路口向左拐。
Take 5 from 12 and you're left with 7.
12减5，剩7。
It's a long time since they left.
他们已经离开很久了。