to become ill with a cold
着凉 (zhuó liáng)
"You’ll catch a cold if you go out in this rain."
"如果你在这场雨中出去，你会着凉。" (Rúguǒ nǐ zài zhè chǎng yǔ zhōng chūqù, nǐ huì zhuó liáng.)
to review or check lessons again for better understanding
to develop something centered on particular ideas or concept...
to return to a previous state or habit
to spend a lot of time with a particular group of people
to charge someone too much money
to make sure something is done; to take care of something
