还不如的英文：
could as well

参考例句：

Better unchaste than humourless, better dead than a dead weight
没趣不如淫荡，叫人讨厌不如溘然长逝。

Kitchen physic is the best physic.
药补不如食补

The proof of pudding is in the eating.
空论,不如实践

A cat is not so vigilant as a dog
猫不如狗机警。

Better a frank denial than unwilling compliance.
勉强应允不如坦诚拒绝。

The melting point of copper is not so high as that of iron.
铜的熔点不如铁高。

You might as well not know a thing at all as know it only a little.
只知道一点点，不如完全不晓得。

The truth is that Iraq is significantly less dangerous today than it was when it invaded Kuwait.
事实是伊拉克今天已远不如入侵科威特时危险。

One picture is worth a thousand words
千言不如一画

It is better to fight for good than to rail at the ill
与其抱怨,不如积善

could是什么意思：
modal v. 能，可以，本来可以，可能，真想

This could be a millepore.
这可能是只千孔虫。

He could be big in no time.
用不了多久他就能成个大人物。

Could you move a fraction closer?
你能不能稍微再挪近点儿？

No man could supplant him.
没有人能够代替他。

I could do no less.
这是我起码要做的。