全力以赴

quán lì yǐ fù

to go all out

Character by character

全quán
all

力lì
strength

以yǐ
with

赴fù
go to it

最后一个月，同学们都在全力以赴地复习。

In the last month every student is revising flat out.

Tone: positive (praise).

Learn this in Lesson 7 · HSK 5: 高考 (The college entrance exam)

A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.