了解 [ㄌㄧㄠˇ ㄐㄧㄝˇ; liao3 jie3]
  to understand
  to realize
  to find out
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  瞭解 [ㄌㄧㄠˇ ㄐㄧㄝˇ; liao3 jie3]
  to understand
  to realize
  to find out
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  了解
  諒解
  領解
  領会
  りょうかい
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  comprehension
  consent
  understanding
  agreement
  roger (on the radio)
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