| Subject | English | Japanese |
| gen. | n a heart that understands truth | 諦念 |
| gen. | ability of the common man to understand Buddhist teachings | 機根 |
| gen. | n ability to read and understand | 読解力 |
| gen. | n ability to understand what is going on around oneself | 物心 news1 nf23 |
| gen. | become easy to understand | 摧ける (e.g. a story) |
| gen. | become easy to understand | 砕ける ichi1 (e.g. a story) |
| gen. | become old enough to understand what's going on around oneself | 物心がつく (of a child, etc.) |
| gen. | become old enough to understand what's going on around oneself | 物心が付く (of a child, etc.) |
| gen. | exp adj-i obsc being quick to understand | 覚りが早い |
| gen. | exp adj-i obsc being quick to understand | 悟りが早い |
| gen. | exp adj-i cannot understand | 腑に落ちない |
| gen. | come to understand | 目が明く |
| gen. | n vs coming to understand | 了覚 |
| gen. | adj-i difficult to understand | 分かり辛い |
| gen. | adj-i difficult to understand | 分かりづらい |
| gen. | adj-na n difficult to understand | 難解 ichi1 news1 nf16 |
| gen. | adj-i easy to understand | 分かり易い |
| gen. | adj-i easy to understand | 分かりやすい |
| gen. | easy to understand | 見やすい |
| gen. | n vs easy to understand | 速分かり |
| gen. | n vs easy to understand | 早分かり |
| gen. | easy to understand | 見易い |
| gen. | n vs easy to understand | 早わかり |
| gen. | adj-i easy to understand | 分かり良い |
| gen. | easy-to-understand indices | わかりやすさ指標 |
| gen. | explain in an easy-to-understand manner | 言諭す |
| gen. | explain in an easy-to-understand manner | 言い諭す |
| gen. | adj-i hard to understand | 分かり難い oK |
| gen. | adj-i hard to understand | 解り悪い oK |
| gen. | exp hard to understand | 理解しがたい |
| gen. | adj-i hard to understand | 解り難い |
| gen. | adj-i hard to understand | 判り難い |
| gen. | adj-i hard to understand | 分かりにくい |
| gen. | adj-i hard to understand | 分かり悪い |
| gen. | adj-i hard to understand or accept | 心得難い |
| gen. | exp yoji How can a small bird a sparrow, a petty person understand the aspirations of a great bird | 燕雀鴻鵠 (a phoenix) |
| inf. | exp I understand | ラジャ |
| inf. | exp I understand | ラジャー |
| gen. | exp uk I understand | 何でも ichi1 news1 nf07 |
| gen. | adj-na impossible to understand | 理解不能 |
| gen. | exp in an easy-to-understand manner | かんで含めるように |
| gen. | exp in an easy-to-understand manner | 噛んで含めるように |
| gen. | informal and easy to understand | 平俗 (of writing, etc.) |
| gen. | make one understand | 含ませる news2 nf28 |
| gen. | make one understand | 含める ichi1 (ふくめる) |
| gen. | make one understand | 含ます |
| obs. | make someone understand their fate | 宣命を含める |
| gen. | make understand | 聞かせる |
| gen. | exp yoji Only a hero can understand a hero | 燕雀鴻鵠 |
| gen. | exp phenomenon that perfect reasoning fail if an idiot cannot understand | バカの壁 |
| gen. | exp phenomenon that perfect reasoning fail if an idiot cannot understand | 馬鹿の壁 |
| gen. | n yoji pretending to understand the nature of something when one only knows its name | 外題学問 |
| gen. | read and understand | 読み解く |
| gen. | n reading something usu. aloud without trying to understand it | 文字読み |
| gen. | n vs reading something usu. aloud without trying to understand it | 素読 news2 nf44 |
| proverb | exp sens the mediocre cannot understand the great | 群盲象を評す |
| gen. | v1 to be difficult to understand | 分かりかねる |
| gen. | v1 to be difficult to understand | 分かり兼ねる |
| gen. | v5r vi to suddenly understand | 思いあたる (esp. on basis of experience or memory) |
| gen. | v5r vi to suddenly understand | 思い当る (esp. on basis of experience or memory) |
| gen. | v5r vi to suddenly understand | 思い当たる ichi1 (esp. on basis of experience or memory) |
| gen. | exp adj-i unable to understand | 気が知れない (reason, motive, etc.) |
| gen. | understand and accept as valid | 納得が行く (of a thought, action, etc.) |
| gen. | understand and accept as valid | 納得がいく (of a thought, action, etc.) |
| gen. | understand completely | 分り切る |
| gen. | understand completely | 分かり切る |
| gen. | understand each other | 理解し合う |
| gen. | understand each other well | 心が通う |
| gen. | understand everything from only one part | 一を聞いて十を知る |
| gen. | understand from experience | 肌で感じる |
| gen. | understand the essence | 壺を心得る (つぼをこころえる) |
| gen. | understand the meaning of | 意味を取る |
| gen. | n yoji using mind, mouth and eyes to understand a book fully | 読書三到 |