要看你的语境: 如果是在饭桌上可以说:help yourself please 如果是在招待客人:please make yourself at home 如果是对朋友提供帮助:let me know if you need anything 如果是对情人伴侣:I will always be there if you need me 如果是对客户:we will provide our professional help as you required 如果是对老板:whatever you need,just ask,sir. 就说这么多,总之语境千变万化,语言也得跟着变,还有无数的语境和表达,我就不列举了(说实话,也列不了,