simpler , simplest
If you describe something as simple, you mean that it is not complicated, and is therefore easy to understand.
simple pictures and diagrams.
简明的图片和图表。
pages of simple advice on filling in your tax form.
几页有关填写纳税表格的简单建议。
Buddhist ethics are simple but its practices are very complex to a western mind.
其实佛教伦理很简单,但它的修行方法对西方人来说很复杂。
If you describe people or things as simple, you mean that they have all the basic or necessary things they require, but nothing extra.
basic , plain
He ate a simple dinner of rice and beans.
他晚饭简单地吃了点米饭和豆子。
the simple pleasures of childhood.
童年纯朴的快乐。
Nothing is simpler than a cool white shirt.
没有什么比穿一件白衬衫更简单又时髦的了。
If a problem is simple or if its solution is simple, the problem can be solved easily.
Some puzzles look difficult but are actually quite simple.
有些谜看似很难,但实际上相当容易解开。
A simple task is easy to do.
The job itself had been simple enough.
这工作一直就相当容易。
a simple mathematical task.
一个简单的数学问题。
You use simple to emphasize that the thing you are referring to is the only important or relevant reason for something.
His refusal to talk was simple stubbornness.
他拒绝交谈只是出于固执。
In grammar, simple tenses are ones which are formed without an auxiliary verb 'be', for example, 'I dressed and went for a walk' and 'This tastes nice'. Simple verb groups are used especially to refer to completed actions, regular actions, and situations. Compare continuous.