brush up on

They've also begun to brush up on their Mandarin skills too.

As one party is about to control Congress and the White House, this would be a great moment for lawmakers to brush up on how markets work and what the federal government can do to mitigate stagnant wages and market failures, support working families, and subsidize the construction of new housing.

This will require that you brush up on your fish identification skills, but it's a small price to pay for protecting our fish, saving on groceries and limiting unexpected and urgent trips to the restroom.

For those hoping to brush up on their Tagalog during Filipino History Month, that means “I love you.”

Park officials said the thermal pool incident serves as a reminder for visitors to brush up on the 10 rules of what it calls the Yellowstone Pledge to protect themselves from the thermal pools, bears, bison and other potential hazards in the park.