by all means意思是当然可以;一定，务必;只管;百般
一、当然可以
1、If you can find a use for this old computer, by all means keep it.
如果你觉得这台旧电脑对你还有用的话，你当然可以留作己用。
2、By all means try the jacket on, but I think it will be too big for you.
当然可以试一下这件夹克衫，但我觉得你穿太大了。
二、务必
1、I told the waiter by all means to bring caviare and the cheapest dish on the menu.
我告诉服务员务必要拿来鱼子酱和菜单上最便宜的菜。
2、You must realize this plan by all means.
你务必完成这个计划。
扩展资料
同义词：
一、be sure to
英 [bi: ʃuə tu:] 美 [bi ʃʊr tu]
务必;必定;切;得
1、Be sure to come. Don't let me down.
你一定来，可别拆我的台。
2、Be sure to make this point clear to everyone.
务使大家明了这一点。
二、without fail
英 [wiˈðaut feil] 美 [wɪðˈaʊt fel]
必定，一定
Take the money to your office without fail, first thing in the morning
早上第一件事是一定要把钱拿到办公室去。
当然可以、一定，务必的意思。
短语：by y all means 尽一切办法 ; 一定、By All Means Marry 想办法结婚吧
例句：You must get there by all means before dark.
你们一定要在天黑以前到达那里。
近义词：一定，务必：of course , by the holy poker
这一组词并非同义词，而是具有鲜明对立意义的反义语。它们带有强烈的感情色彩，在文句中起加强语势的作用。
扩展资料：
反义词：by no means 决不;丝毫不;一点儿也不
短语：by y no means 决不 ; 并没有、by by no means the 偶然
例句：The problem is by no means as simple as we first thought.
问题决不像我们当初想象的那么单纯。
用法：从字面上看，这个词组的意思是“没有任何手段或方式”，其引申义为在任何情况下“决不，不可能”的意思。主要用来表示否定（语气较强），意为：当然不行；绝不是。
当然可以; 一定，务必; 只管; 百般;
例句:
1.
如果你出于企业发展需要可以接受他们的投资，但千万得跟他们保持距离。
Take their money if you must but by all means keep them at arm'slength.
2.
当然了,这正是我的目的.
By all means. That was my intention.
3.
所以，一定要谴责银行，而不要谴责救助行动。
So by all means, let us blame the banks but not the bail-out.
4.
如果你的腿上有凹凸不平的橘皮组织、明显的青筋或其它缺陷，那就一定要穿超薄长统袜。
If your legs have cellulite, spider veins or other flaws, then by allmeans don super-sheer hose
5.
不管通过什么方式，我们都需要解决预算赤字问题。
By all means, let us address the budget deficit.本回答被提问者和网友采纳
英[baɪ ɔːl miːnz] 美[baɪ ɔl minz]
一定；尽一切方法
例句：
1.By all means, provided that it is a well-paid job.
如果这是个薪俸优厚的工作，当然可以。 收藏
2.You must get there by all means before dark.
你们一定要在天黑以前到达那里。 收藏
3.Do it, by all means, but strictly on the quiet.
这件事一定要干， 不过要严守秘密。 收藏
4.Do it, by all means, but keep it secret.
尽力去做，不过要严守秘密。 收藏
5.We must get there by all means before dark.
我们必须尽一切办法在天黑之前赶到那里。