to understand new concepts or ideas fast
comprendre rapidement de nouveaux concepts ou idées (comprendre rapidement de nouveaux concepts ou idees)
"She catches on quickly when it comes to math problems."
"Elle comprend rapidement quand il s'agit de problèmes de mathématiques." (elle **catch on quickly** quand il sagit de problemes de mathematiques)
to investigate or examine something carefully
to consider the pros and cons before making a decision
to lag in selling goods to foreign countries
to sleep at someone else's house for a night
to feel great excitement or pleasure from something
to ask for information about something