to prevent something from happening
предотвратить что-то от случения (predotvratit' chto-to ot slucheniya)
"Early communication can head off most misunderstandings."
"Раннее общение может предотвратить большинство недоразумений." (rannye obshcheniya mogut **golova ot** bol'shinstvo nedorazumeniy.)
to be attracted to someone
to complete something perfectly by adding the final details
To change the way past events are interpreted or remembered.
At the right or appropriate time.
To be proven innocent or free from blame.
a sudden and brilliant idea