Break one's word (idiom)

　　●To fail to do what one has promised.

　　（食言，失信）

　　Examples:

　　1.We can't have politicians who break their word.

　　2.You can trust him implicitly; I've never known him to break his word.

　　You can't make bricks without straw (idiom)

　　●Nothing can be made or accomplished without proper or adequate material or information.

　　（巧婦難為無米之炊）

　　Examples:　　

　　1.It's no good trying to build a website if you don't know any html, you can't make bricks without straw.　　

　　2.The law of value will still be there reminding us that, even under socialism, you can't make bricks without straw.

　　Fall short of sth (idiom)

　　●To be less than the amount or standard that is needed or that you want.（未達到，低於）

　　Examples:　　

　　1.This year's profit will fall short of 13%.　　

　　2.He would sack any of his staff who fell short of his high standards.

　　To no/little avail (idiom)

　　●If you do something to no avail or to little avail, what you do fails to achieve what you want.

　　（無濟於事，沒有（甚少）成效）

　　Examples:　　

　　1.His efforts were to no avail.　　

　　2.I apologised repeatedly, but to little avail.

　　Set out sth (phrasal verb)

　　●To explain, describe, or arrange something in a clear and detailed way, especially in writing.

　　（制定，訂立，解釋）

　　Examples:　　

　　1.In his report he sets out his plans for the department.　　

　　2.Your contract sets out the terms and conditions of your employment.