笑嘻嘻的英文：
grinning

The face open, and the mind closed.
脸上笑嘻嘻，心中有诡计。

Next Mrs. Zhou came to beckon them with a smile.
"忽见周瑞家的笑嘻嘻走过来,招手儿叫他."

Wang Ho-fu spoke with his usual bantering smile, which contrasted strongly with Sun Chi-jen's reticence and taciturnity
王和甫仍是笑嘻嘻地说。他的老是带几分开玩笑似的笑嘻嘻，和孙吉人的沉默寡言是很相反的。

With a smile, he asked his friend, "What did the bear tell you when he put his nose so close to your ears?"
他笑嘻嘻地问他朋友:“熊把鼻子凑到你耳朵旁，跟你说了些什么?”

Being quite at a loss how to reply, he could only stare blankly at Ho Shen-an's oily, smiling round face
他不知道怎样回答，只是瞪出了眼睛，看定了何慎庵那张笑嘻嘻的油光的圆脸。

He accosted Fix with a merry smile, as if he had not perceived that gentleman's chagrin
他对费克斯的烦恼装着完全没有看见的样子，笑嘻嘻地走上去跟他打了招呼。

I quickly followed suit, and descending into the barroom accosted the grinning landlord very pleasantly
我赶紧依样画葫芦，下楼到酒吧间去，十分愉快地跟那个笑嘻嘻的店老板打招呼。

You must grin and bear it.
你必须强颜忍受。

He went blank and then grinned.
他愣了一下，然后咧开嘴笑了。

Bobby looked at her with a sheepish grin.
博比望着她腼腆地咧嘴一笑。

laugh (grin) from ear to ear
咧开嘴出声（不出声）笑

Walsh bared his teeth in a grin.
沃尔什一笑露出了牙齿。