to examine a large amount of information or items carefully
多くの情報やアイテムを慎重に調べる (ooku no jouhou ya aitemu o shinchou ni shiraberu)
"I spent the afternoon sifting through old emails for the missing file."
"私は午後の時間をシフトスルーして古いメールを探していました。" (Watashi wa gogo no jikan o **shifuto suru** shite furui mēru o sagashite imashita)
to do something extremely well
Not clear or not paying attention
to make people recognize your authority
a student who is favored by the teacher
to take responsibility for doing something important
it is your turn to make a decision or take action