Please help yourself to these snacks.

请随便吃这些点心。

Please help yourself to the refreshments on the table.

请随意享用桌上的点心和饮料。

Please help yourself to some refreshment on the table.

请随意享用桌上的点心。

Everyone, please help yourself to the food, no need to be polite.

大家请随便吃，不用客气。

Please help yourself to some coffee.

请随便喝点咖啡。

Please help yourself to some tea.

请（你自己）用茶。

If you are hungry, please help yourself.

你若饿了，请您随便吃。

I don't know your preferences, so please help yourself.

我不知道你的爱好，所以请自便。

All the utensils are in the cupboard, please help yourself.

厨具都放在柜子里, 你自己找吧.

DAISY: Maybe you can eat lots of peaches! Now, honey, please help yourself!

或许你可以吃很多个桃子。来吧，亲爱的，随便吃！