strain at
英
美
- at prep.在;向,朝;处于…状态;在…远;(用于速度、比率等)以,达
- strain n.拉紧;紧张;血统;笔调;(动植物或疾病的)品种v.拉紧;劳累;过分使用
- She's under a lot of strain at the moment; her child's very ill.
她现在心情紧张,因为她的小孩病得很厉害。
- The dog is so powerful that every time it strains at its lead it nearly pulls me off my feet.
那只狗力气很大,每次它用力拉脖子上的皮带时,我几乎给拉得站不住脚。