a roguish grin淘气的露齿一笑
"a roguish grin"
同义词：devilishrascally
"the captain was set adrift by his roguish crew"
同义词：rascallyscoundrellyblackguardly
ADJ（形容词） If someone has a roguish expression or manner, they look as though they are about to behave badly. (表情或言行)淘气的; 捣蛋的
She was a mature lady with dyed red hair and a roguish grin.
她是位染着红头发和有张顽皮笑脸的成熟女士。