他懂日文嗎?

據我們了解,你不贊成我們的想法。

我完全不能理解他們的意思。

我有時簡直就不了解我自己。

盡管你做了解釋，我還是不懂。

【記】under-在…下,stand-站:老師說“為了聽的更明白,他站在講臺下站著聽”

understand v (pt, ppunderstood ) (not used in the continuoustenses 不用於進行時態) 1 (a) [I, Tn, Tw] grasp the meaning of (words, a language, a person, etc) 懂、 理解或領會（語詞、 語言、 某人等）的意思 I'm not sure that I fully understand (you). 我不敢說我已完全聽懂了（你的話）. understand the instructions, rules, conditions, etc 了解指示、 規則、 情況等 I can understand French perfectly. 法語我完全懂. I don't understand (a word of) what you're saying, eg because you're speaking too quickly. 你的話我（一個字也）聽不懂（因為你說得太快）. (b) [Tn, Tw, Tsg] perceive the significance or importance of (sth); perceive the explanation for or cause of 了解（某事物）的意義或重要性; 認識到...的道理或原因 Do you understand the difficulty of my position? 你了解我處境的困難嗎? I don't understand why he came/what the problem is. 我不明白他為什麼來[這是什麼問題]. I just can't understand him/his taking the money. 我真無法理解他[他為什麼要偷錢]. 2 [I, Tn, Tf, Tw, Tsg] be sympathetically aware of (sb/sth); know how to deal with (sb/sth) 了解, 理解, 諒解, 同情（某人[某事物]）; 善於與（某人[某事物）打交道 understand children, machinery, modern music 了解兒童、 機器的性能、 現代音樂 We thoroughly understand each other/one another, even if we don't always agree. 我們彼此非常了解, 雖然有時候也有一些分歧. I quite understand that you need a change/your needing a change. 你需要換換環境, 這一點我完全理解. He understands how hard things have been for you. 他很同情你的艱難處境. 3 (usu fml 通常作文雅語) (a) [Tf, Cn.t] be aware from information received (that...); gather 得知; 獲悉; 推斷 I understand she is in Paris. 我聽說她現在巴黎. Am I to understand that you refuse? 看意思你是拒絕了? The situation, as I understand it, is very dangerous. 情況據我看十分危險. I understood him to say/as saying that he would co-operate. 我認為他愿意合作. (b) [Tf usu passive 通常用於被動語態] take (sth) for granted 認為（某事物）當然如此 Your expenses will be paid, that's understood. 你的費用給你

在下面（under）站著（stand）:老師在上面講，你在下面站著聽，可以 理解得清清楚楚

*[,?nd?'st?nd]vt. 理解, 了解, 領會, 聽說, 懂vi. 懂得, 認為相關詞組: We understand from an authoritative source that... give sb to understand