could teach (someone) a thing or two (about someone or something)

1. Could inform someone of the facts or several pieces of information (about someone or something). I know you're from the countryside and not used to city folk, but I could teach you a thing or two about New Yorkers. If you want to learn about the history of cinema, then you should ask Jeff—he could teach you a thing or two.

2. Could correct or confront someone about his, her, or their mistaken belief or incorrect point of view (about someone or something). That jerk has been making snide remarks all night. I could go over there and teach him a thing or two about how to talk to women!

See also: could, someone, teach, thing, two

Farlex Dictionary of Idioms.

can/could teach/tell somebody a ˈthing or two (about somebody/something)

(informal) be able to help somebody, or teach somebody how to do something, because you have more experience: He thinks he knows a lot about farming, but old Bert could teach him a thing or two.

See also: can, could, somebody, teach, tell, thing, two

Farlex Partner Idioms Dictionary

See also:

can/could teach/tell somebody a thing or two
could tell (someone) a thing or two (about someone or something)
could tell someone a thing or two
JFYI
enlighten
enlighten (someone) about (someone or something)
Gen
gen (someone) up on (something)
keep somebody posted
keep someone posted

词组	could teach (someone) a thing or two (about someone or something)
释义	could teach (someone) a thing or two (about someone or something) could teach (someone) a thing or two (about someone or something) 1. Could inform someone of the facts or several pieces of information (about someone or something). I know you're from the countryside and not used to city folk, but I could teach you a thing or two about New Yorkers. If you want to learn about the history of cinema, then you should ask Jeff—he could teach you a thing or two. 2. Could correct or confront someone about his, her, or their mistaken belief or incorrect point of view (about someone or something). That jerk has been making snide remarks all night. I could go over there and teach him a thing or two about how to talk to women! See also: could, someone, teach, thing, two Farlex Dictionary of Idioms. can/could teach/tell somebody a ˈthing or two (about somebody/something) (informal) be able to help somebody, or teach somebody how to do something, because you have more experience: He thinks he knows a lot about farming, but old Bert could teach him a thing or two. See also: can, could, somebody, teach, tell, thing, two Farlex Partner Idioms Dictionary See also: can/could teach/tell somebody a thing or two could tell (someone) a thing or two (about someone or something) could tell someone a thing or two JFYI enlighten enlighten (someone) about (someone or something) Gen gen (someone) up on (something) keep somebody posted keep someone posted
随便看	if not for (someone or something) if nothing else if not now, when? if (one) can help it if (one) is a day if (one) knows what's good for (one) if one knows what's good for one if one knows what’s good for one if (one's) a day if one sheep leaps over the ditch, all the rest will follow if (one's) life depended on it if one’s a day if only if pigs had wings if pigs had wings, they would/could fly if push comes to shove ifs and/or buts ifs, ands, or buts if so if (something) catches a cold, (something else) gets pneumonia if (something) sneezes, (something else) catches a cold if something sounds too good to be true, it probably is if something sounds too good to be true, it usually is IFTFY if that