fasten down
1. 扣住; 扎紧
Have you fastened down the windows?
你把窗子扣紧了吗?
习惯用语fasten down1.(把箱盖等)钉上; 盖紧; 确定fasten in1.关进; 装进fasten off1.打个结; 缝牢fasten on1.抓住, 握紧; 盯住; 纠缠不放; 一口咬定; 注意fasten upon1.抓住, 握紧; 盯住; 纠缠不放; 一口咬定; 注意fasten oneself upon1.缠住不放fasten oneself on1.缠住不放fasten up1.拴紧; 捆; 钉牢; 关紧; 锁牢