But as we dropped down to Boullion in Belgium, we were rewarded with mile after mile of endless switchbacks through lush forest; I couldn't help but grin from ear to ear.

但是当下坡来到比利时的博莱昂时，我们得到的回报是在茂密的森林中骑过了无数个折弯，我不由得笑得合不拢嘴。

youdao

When the Joker enters one fray with a murderous flourish and that sawed-off smile, his morbid grin a mirror of the Black Dahlia’s ear-to-ear grimace, your nervous laughter will die in your throat.

当小丑进入一处罪案横行的废墟，他那断裂的笑，他那病态的笑脸映射出《黑色大丽花》中凑近耳边狞笑的鬼脸，你紧张的笑声会在喉咙嘎然而止。

youdao

Further it said "Mark has never used the phrase 'all grin from ear to ear'" which occurred in the letter.

而且“马克也从来不会使用‘all grin from ear to ear’这个短语，”但它在信中也出现了。

youdao

"He came in to my shop at 12:30 p.m. on Wednesday and had a grin from ear to ear, " Cordell Kent, owner of The Mining Exchange Gold Shop, told CNN.

CNN: Gold nugget worth $300,000 discovered in Australia