at full throttle

Prepositional phrase

As fast as physically possible.

Japanese Meaning

全速力で / 全力で / 全開で移動している状態

The cyclist pedaled at full throttle up the steep hill, determined to beat his previous time.

サイクリストは以前の記録を破ろうと決意し、急な坂を全速力で漕ぎ上った。

Sense（1）

As fast as physically possible.

Since noon she's been working at full throttle on the calculations.