to step on
to tread
to stamp
to press a pedal
to pedal (a bike)
to walk on stilts
to propel oneself with the movement of feet
to search for
to belittle
to criticise harshly
to continuously work non-stop to try and finish something
to lose money in successive bets in gambling
to enter
to cross into (a territory)
a final particle to express surprise
agreement
disagreement
tone of reminder or emphasis
when quoting words said by others