形容詞 roguish:

1. playful in an appealingly bold way
   同義詞：devilish, rascally
2. lacking principles or scruples
   同義詞：rascally, scoundrelly, blackguardly

1. He gave her a roguish look.
   他調皮地看了她一眼。

rogu.ish

adj.（形容詞）
Deceitful; unprincipled:
無賴的，欺詐的：欺騙的；不道德的：
例句：
Set adrift by his roguish crew, the captain of the ship spent a week alone at sea.
船長被狡詐的船員驅逐，獨自一人在海上漂泊了一個星期

Playfully mischievous:
調皮搗蛋的：
例句：
a roguish grin.
淘氣的露齒一笑

【引伸】
rogu.ishly
adv.（副詞）
rogu.ishness
n.（名詞）