ph.
Chatting online-(网络聊天)
check-up-(身体检查)
International Trade-Shipping-(国际贸易-运输)
1. get to know or become aware of, usually accidentally
e.g. I learned that she has two grown-up children
I see that you have been promoted
Synonym: learnhearget wordget windpick upget a linediscoversee
2. trap
especially in an error or in a reprehensible act
e.g. He was caught out
She was found out when she tried to cash the stolen checks
Synonym: catch out
3. establish after a calculation, investigation, experiment, survey, or study
e.g. find the product of two numbers
The physicist who found the elusive particle won the Nobel Prize
Synonym: determinefindascertain
4. find out, learn, or determine with certainty, usually by making an inquiry or other effort
e.g. I want to see whether she speaks French
See whether it works
find out if he speaks Russian
Check whether the train leaves on time