mistime
verb [ T ] uk/ˌmɪsˈtaɪm/ us/ˌmɪsˈtaɪm/
在不当的时候做;选错…的时机
to do something at the wrong moment with the result that it is unsuccessful or has an unwanted effect
She mistimed her swing and the ball went into the net. 她击球的时机不对，球打到了网上。