Student or Learner
They needed a special innings from at least a couple of their star batsmen but unfortunately the task was too big for even the big guns of the Windies batting line-up and they eventually crumbled under pressure.
It was only Ramnaresh Sarwan, who scored a valuable 92 runs, while the rest of the batters simply failed to make a mark.
Please explain the highlighted phrases.
big guns = star players
make a mark = have an effect