Pronunciation: zuó rì

Interpretation: ● The day before today.

● In the past; Before.

Example: ● I remember it vividly, as if it were yesterday.

●? Mother canned the fish she bought yesterday.

●? It was sunny for twelve hours yesterday, but the forecast said it would still rain.

Pronunciation: zuó er

Interpretation: The day before today.

For example: ● The seventh time in A Dream of Red Mansions: "I wanted to send it yesterday, but I forgot."

● The third time in Travel Notes of Lao Can: "I don't know who put it here last night."

● Liu Bannong's "Yangbianqu Quasi-Qufu": "It was Laojiu who died yesterday. Maybe it will be my old six who died tomorrow."