That cat has a thievish look .

那只猫有一副贼一般的样子。

They have such a wonderful thievish way about them .

他们一个个都是贼眉鼠眼的。

This was not because of its thievish nature but because it was really a mischievous witch in the form of a winged insect .

这不是因为它有盗窃的天性而是因为它明明是一只作为有翅虫豸形体的调皮的精灵。