一家 (pinyin: yī jiā, written "yi jia" or "yijia") means the whole family. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 一家.
èr shí fēn zhōng hòu, yí ge xiǎo nán hái zài lìng yì jiā diàn mén kǒu zhǎo dào le wǒ de qián bāo, dōng xi quán dōu zài. wǒ xiàng nà wèi lǎo bǎn dào xiè, tā zhǐ shì xiào xiao shuō: chū mén zài wài, dà jiā hù xiāng zhào gù.
Twenty minutes later, a little boy found my wallet at the entrance of another shop. Everything was still in it. I thanked the vendor, but he just smiled and said: when you're away from home, we all look out for each other.