理解
➊ clearly understand はっきり理解する - We must clearly understand the objectives before we proceed.
➋ fully understand 十分に理解する - In order to succeed, we must fully understand what we need to learn.
❸ well understand よく理解する -She understands that subject well.
❹ not really understand よく理解できない - The students did not really understand the material
❺ understand perfectly 完璧に理解する - I understand the instructions perfectly.