assistance
助手，援助之手
she was always ready to lend a helping hand.
她总是乐于伸出援助之手。
used to emphasize that one means what one is saying
（上帝）作证（用于强调某人说话算话）
there is no way of avoiding or remedying a situation
（情形、处境）无可避免，无法补救
To serve or provide oneself with
自用：用…招待自己或提供…给自己
Help yourself to the cookies.
请随便吃点点心吧
&I{Informal} To take (something) without asking permission
【非正式用语】 偷窃，窃取：没有得到允许而拿取（某物）
The thief helped himself to our family silver.
小偷窃取了我家的银子