we; specifically including both the speaker and the person being spoken to; often used as an abbreviation for 咱们 zán​men

I; me; used as a first-person pronoun in certain dialects or in early vernacular literature

suffix used after 这 zhè or 那 nà to indicate a point in time, equivalent to 这会儿 zhè​huì​r or 那会儿 nà​huì​r