当然可以的英语翻译为sure，of course，by all means和certainly。例句："Can I come and have a look at your house?""Yes, by all means."

英 [ʃʊər; ʃɔːr]  美 [ʃʊr] 
adj. 确信的；可靠的；必定的
adv. 当然；的确

短语：

make sure 确信；证实

for sure adv. 确实；毫无疑问地

sure of 确信…的

sure enough 果然，果真

are you sure 你肯定吗；你确定要…

例句：

1.Are you sure you should be up? 

你肯定你该起床了吗?

2.I'm not a hundred per cent sure. 

我不能百分之百肯定。

3.I'm sure he didn't mean any harm. 

我敢肯定他本无恶意。

4.You don't sound very sure. 

听你这口气，你自己也不大肯定。

5.Are you sure he's not two-timing you? 

你肯定他没有背着你另有所爱？

6."I'm not sure," Liz said vaguely. 

“我不能肯定，”莉兹含糊地说。

7.Are you sure about that? 

这事你肯定吗？

8.Are you sure you locked the front door? 

你确定锁前门了吗？

9.Are you sure this deal is on the level? 

你确信这笔交易合法吗？

10.I'm sure I can rustle you up a sandwich. 

我保证能马上给你弄份三明治。

11.Are you sure these documents belong together? 

你肯定这些文件应放在一起吗？

12.Though she gave no sign, I was sure she had seen me. 

尽管她没有示意，我还是确信她看见了我。

course 一定，当然

例句：

1.Ben, of course, was the last to arrive. 

本当然是最后一个到的。

2.The great majority of players would, of course, sign the contract without hesitation. 

绝大多数运动员当然会毫不犹豫地签这份合同。

3.Of course, in the nature of things, and with a lot of drinking going on, people failed to notice. 

当然了，事出必然，酒酣之间人们没有注意到。

4.Of course I'm not afraid! 

当然我不怕！

5.”Of course there's something wrong!” Jem exploded. 

“当然是出了毛病！”杰姆大发雷霆道。

6.My letter is, of course, strictly private and confidential. 

当然，我的信纯属私人信件，务须保密。

7.Of course it's not true, what an absurd idea. 

那当然不合乎事实，这个想法太荒唐了！

8.There are, of course, deeper meanings in the poem. 

当然，这首诗里还有更深层的含义。

9.Of course we'll change it for a larger size, Madam. 

夫人，我们当然会给您掉换件大号的。

10.Of course, that would have to be by anonymous vote. 

当然，那得是通过不记名投票。

all means 一定，务必；尽一切办法

例句：

1.In this case, by all means focus your tests on that one area. 

在这种情况下，务必使您的测试集中在那个区域。

2.If you enjoy reading, then by all means do that whenever you want. 

如果你喜欢阅读，不管什么时候，都要想尽一切办法去读。

3."By all means, reach out to your social network, but as you cast a wide net looking for job prospects, be conscious of every email you send," Fay suggests. 

Fay 建议：“用一切方法接触你的社交网络，但是，在你广撒网找工作机会的时候，也要注意你发出的每封邮件。”

4."Can I come and have a look at your house?"—"Yes, by all means." 

“我能过来看看你的房子吗？”—“可以，当然可以。”

nly 英 [ˈsɜːtnli]  美 [ˈsɜːrtnli] 
adv. 当然；行（用于回答）；必定

例句：

1.I'm certainly not scared of him. 

我当然不怕他。

2.She certainly knows what's what. 

她当然知道轻重缓急。

3.'Certainly not,' he replied emphatically. 

“当然不。”他断然回答道。