bump up

verb

(transitive, idiomatic) To increase something suddenly. / (transitive, idiomatic) To promote a person to a higher grade.

I need to bump up my grade in math.

意味（1）

(transitive, idiomatic) To increase something suddenly.

意味（2）

(transitive, idiomatic) To promote a person to a higher grade.

意味（3）

(transitive, idiomatic) To give a more prominent place to; to advance position in queue.