27 体会 [體會] tǐhuì (experience-comprehend) know from experience, personal experience, feel: 谈~ talk about personal experience || 深有~ have an intimate knowledge of || 有了孩子以后, 他~ 到当父母是多么不容易. After having a child, he realized how difficult it is for parents. '
1549 気付く: notice, realize: He finally realized what the problem was. 2263 いつの間にか: without noticing/realizing: The dawn had broken before we realized it. 5206 いかに: how, in what way: Once you meet him, you'll realize how nice he is.