American
to do something for someone because they are suddenly unable to do it.
He was pinch-hitting for one of the regular TV sportscasters, and was a great success. (often + for)
英语词组固定搭配大全包含18674条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。