snatch at sth
1 try to grasp sth 设法抓住某物
He snatched at the ball but did not catch it. 他想抓那个球但没抓住.
2 (fig 比喻) grasp sth eagerly and quickly 迫切而迅速地抓住某事物
snatch at every opportunity 抓住任何机会.
No, we didn't fix anything. We thought we might go out, but we said we'd check with each other first. And now I'm telling you I can't manage this Friday. Another time, possibly, but not Friday.