to offer an opinion in a discussion or argument.
Mr. Pierce weighed in with a warning that many companies would not be able to meet the deadline.
One angry woman weighed in to remind us that a lot of what we'd read was not true.
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。