One step.
一步。
Two steps.
兩步。
Three steps.
三步。
One small step.
一小步。
Two big steps.
兩大步。
Take one step forward.
向前邁一步。
Take two steps forward.
向前邁兩步。
Take one step backward.
向后退一步。
Take two steps backward.
向后退兩步。
Take one big step backward.
向后邁一大步。
Oh, I bumped my head against the door.
哦,我頭撞門上了。