Word: 熟

你把数字记熟了吗？

Nǐ bǎ shùzì jì shúle ma?

Have you learned the number by heart?

我和你哥哥很熟。

Wǒ hé nǐ gēge hěn shú.

I know your brother very well.

我对这种工作还不熟。

Wǒ duì zhèzhǒng gōngzuò hái bù shú.

I'm new at this kind of work.

我跟你哥哥很熟。

Wǒ gēn nǐ gēge hěn shú.

I know your older brother quite well.

我跟她不熟。

Wǒ gēn tā bù shú.

I'm not acquainted with her.