天真烂漫

Andy had a sweet, naive look when he smiled.

安迪笑时候表情甜美，烂漫。

He smiled as artless as a child of 5.

他笑得像个5孩子那样烂漫。

She was sixteen and sweetly innocent.

她当时16 ，烂漫，招人喜爱。

If there was a touch of appreciation left in him for the bloom and unsophistication which is the charm of youth, it rekindled now.

他情感保留着一份对烂漫魅力赏识，现在这份情感被重新点燃了。