"catch at" in Chinese (Simplified)
抓住试图抓住（突然）抓住（机会，希望）
Definition
试图迅速抓住某物，通常因其正在溜走或因自己很着急；也指在困境中抓住机会或希望。
Usage Notes (Chinese (Simplified))
“Catch at” 较为正式或文学，日常口语中少见。通常用于形容难以抓住的物体，或比喻抓住机会、希望。经常跟具体对象搭配，如“catch at a branch”。别与单独的“catch”混淆，后者仅指物理意义上的捕捉。
Examples
He tried to catch at the rope but missed.
他试图**抓住**那根绳子，但没成功。
She caught at any hope of winning the prize.
她**抓住**了获奖的任何希望。
The child caught at his mother’s hand for safety.
孩子为安全起见**抓住**了妈妈的手。
As she fell, she caught at a branch to stop herself.
她摔倒时，**抓住**了一根树枝想要自救。
People sometimes catch at any chance for happiness, no matter how small.
人们有时会**抓住**哪怕很小的幸福机会。
He caught at my sleeve to get my attention.
他**拉住**了我的袖子，引起了我的注意。