help oneself to

英 [help wʌn'self tu] 美 [help wʌn'self tu]

• 自用 ...； 请随意吃 ...

help oneself to的用法和样例：

例句

1. For the registration of ownership of a ship built by oneself for one's own use, a document evidencing the procurement of ownership shall be submitted.
   就自造自用船舶申请船舶所有权登记的，应当提供足以证明其所有权取得的文件。
2. Here you are.And help yourself to a pie, please.
   给你，请随意吃馅饼。