但难的是一种发自内心的笑。

But the difficulty is a laugh from the heart.

youdao

笑不难，难的是把握笑的标尺。

Laughter is not difficult, it is difficult to grasp the scale laughing.

youdao

笑不难，难的是把握笑的标尺。

Laughter is not difficult, it is difficult to grasp the scale laughing.

youdao