1.flock to 涌到
例句:These people are willing to take the risk of having an opinion, and so others flock to them, like pedestrians running for shelter during a downpour.
這些人甘冒風險大膽發表自己的意見,其他人就會隨之聚集在其周圍,就像行人在下暴雨時尋求遮蔽物一樣
。2.security concern 安全問題
例句:However, this is not necessarily a security concern since the file system access control mechanism usually provides sufficient protection.
不過您也不必擔心安全問題,因為文件系統訪問控制機制通常都可以提供充分的保護
。3.be part of 成為…的一部分
例句:Business representatives should also be part of this group.
商業代表也應該是這個組的一部分
。4.pelt with 用(某物)扔某人
例句:The children pelt each other with snowballs.
孩子們互相投擲雪球
。