Occ. from ca. 1790, abbr. to teach one's grandmother or granny. He goes on to …
If your professor knows you're not a native English speaker, he should be …
Teach fish how to swim is an idiomatic expression derived from the Latin …
I teach Arabic at a nearby school (FIC) I teach in a school with hardworking, …
I is of course the normal subject pronoun and me is the normal object pronoun. …
更多内容请点击：Etymology of 'teaching grandma to suck eggs'?