英汉解释

n. 天真烂漫；淳朴；笨拙

同义词

n. ingenuousness，innocence，naturalness

反义词

n.   artfulness

参考例句

1. No one can explain the artlessness show in his translation.
谁也无法解释他的译文显示出的笨拙。
2. No one could explain the artlessness shown in his translation.
没有一个人可以解释他的翻译所显示出的没有艺术。
3. Freedom from guile, cunning, or deceit; simplicity or artlessness.
无知，头脑简单：从不欺骗，奸诈或隐瞒；无知，天真。

英英解释

n.
  1. the quality of innocent naivete
  2. ingenuousness by virtue of being free from artful deceit

网络释义

artlessness
天真烂漫; 粗制滥造; 纯真,朴素; 朴实;
artlessness naivete naivety
天真烂漫;