Use Google Translate : write tests in short amount of time to find the most possible bugs.
You can use me as the Product Designer to ask questions about how the program works, and I will try to give some basic answers
Go to English version of Google translate at “translate.google.com”

Steps
Step 1: First 10 minutes – develop a test plan
Step 2: Next 10 minutes – write test cases – these can be in outline form, they do not need to be very detailed
Step 3: Next 5 Minutes: Take only one of your test cases, and write it very clearly so someone can run it.
Step 3: We will execute a few test cases from the class