懂得的英文：
understand
know
comprehend

参考例句：

He knows most that knows he knows little.
知道自己懂得不多的人懂得最多。

norman and Arthur knew that speech
诺尔曼和亚瑟懂得这种语言。

Few people know Danish in our school.
在我们学校几乎没有人懂得丹麦语。

If you want to understand today, you have to search yesterday.--Pearl Buck, American female writer
想要懂得今天,就必须研究昨天。美国女作家赛珍珠

They are truly conversant with the international rules of the game and are familiar with their homeland as well
他们是真正懂得国际游戏规则，又了解自己故土的人。

He learned the lesson early in life that scientific conformity means intellectual stultification.
他早在青年时期就懂得，科学上的因循守旧只能意味治学上的愚蠢。

Gordon, I’m not an amateur! I love that baby and I am scientific.
戈登，我不是外行！我爱小宝贝，我懂得科学育婴。

"You may depend upon it, they're a cranky lot, the ForsytesDand you'll find it out as you grow older!"
“的的确确，福尔赛家的人都是些神经病――你年纪大一点就会懂得。”

He knows when to move upstage,when to modulate his voice,and when to throw away a line.
他懂得什么时候该移向舞台后方，什么时候该调整声调，以及什么时候该轻轻带过一句台词。

I don't know about fortunes or fortune-telling
我既不懂得命运也不懂得算命。

understand是什么意思：
v. 懂，理解；了解，认识到；体谅

If you were older you might understand.
假如你年龄再大一点，你就会理解了。

I understand that skepticism.
我明白这一怀疑论。

You have to understand how cells interact.
你必须明白细胞是怎样相互作用的。

know是什么意思：
v. 知道，了解，懂得；认识，熟悉；认出；体验；见到过，听到过

Learn not and know not
不学无术

Know/not know what is most important and act accordingly
能[不能]按轻重缓急行事

Do you know that lady?
你认识那位夫人吗？

comprehend是什么意思：
v. 理解，领会

The magnitude of the flood was impossible to comprehend.
这场水灾的危害性是无法了解的

I cannot comprehend this phrase.
我无法理解这个短语。

Failing to comprehend the full seriousness of the situation
未能充分理解形势的严重性