walk * through
(耐心地、詳細地) (向某人) 說明 (某事)；(耐心地、詳細地) 教 (某人) (某事)
He walked me through the procedures.
Can someone walk me through how to install Windows8?
waltz through +
Sarah waltzed through the tests and got the highest score.
(未告訴任何人，不吭一聲地就) 離開 (某地)
Paul wandered off and got lost in the crowd.
The lecture was boring and my mind wandered off after ten minutes.
My grandfather wasted away as his cancer got worse.