full throttle

(at) full throttle ((of a person or a machine) do something as well and with as much energy as they can) — полным ходом, на полной скорости; в полную силу

Example 1: ...

Example 2: By the end of May, the assembly line will be working at full throttle. (CID)

Related vocabulary
[full blast]
at full speed
at full tilt