老

lǎo

prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity, old (of people), venerable (person), experienced, of long standing, always, all the time, of the past, very, outdated, (of meat etc) tough

你是老了

nǐ shì lǎo le

You are old

老师说不

lǎo shī shuō bù

Teacher said no

老牛吃嫩草

lǎo niú chī nèn cǎo

Old cows eat tender grass

他是老师者。

tā shì lǎo shī zhě。

He is a teacher.

她就是老师。

tā jiù shì lǎo shī。

She is the teacher.

你想做个老师？

nǐ xiǎng zuò gè lǎo shī？

You want to be a teacher?

对不起老人家

duì bu qǐlǎo rén jiā

Sorry, old man.

我爸爸是老师

Wǒ bàba shì lǎoshī

My dad is a teacher.

老师在吃早餐

Lǎoshī zài chī zǎocān

Teacher is having breakfast.

我妈妈是老师

Wǒ māmā shì lǎoshī

My mom is a teacher.