那位教练总是打压新队员来树立自己的权威。

The coach always ___stepped on new team members to assert his authority.

他踩到了乐高积木，疼得跳了起来。

He ___stepped on a Lego brick and jumped in pain.

她在辩论比赛中完全碾压了对手。

She ___stepped on all her opponents in the debate competition.