你最好在你有疑问的地方作个记号。

You'd better make a mark where you have any questions.

youdao

你读书时，最好在有问题的地方作个记号。

When you read, you'd better make a mark where you have any questions.

youdao

哈特女士：现在我要用粉笔在墙上作个记号。

Mrs Hart: Now I'll put a mark against the wall with a piece of chalk.

youdao

哈特女士：现在我要用粉笔在墙上作个记号。

Mrs Hart: Now I'll put a mark against the wall with a piece of chalk.

youdao