be slow off the mark(redirected from was slow off the mark)
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be slow off the mark
To be slow to react or take action. He's too slow off the mark to be an effective emergency responder. You were a little slow off the mark on your last line. Come in a little bit sooner next time.
be ˌquick/ˌslow off the ˈmarkbe quick/slow to do something or understand something: You have to be quick off the mark when you answer a newspaper advertisement for an apartment. ♢ Jenny was rather slow off the mark, and they had to explain the joke to her.
In athletics, your mark is your starting point in a race.