Definition of balls-to-the-wall in English:

balls-to-the-wall

(also balls-to-the-walls)

adjective ˌbɔːlztʊðəˈwɔːl

Unrestrained, aggressive, forceful; all-out, ‘full-throttle’.

Origin

1960s. From the plural of ball + to + the + wall. Originally with reference to the ball-shaped grips on the throttles of certain military aircraft (which were opened by being pushed forward towards the firewall), but in later use perhaps associated with ball. Perhaps compare also with one's back to the wall.

Definition of balls-to-the-wall in US English:

balls-to-the-wall

(also balls-to-the-walls)

adjectiveˌbɔːlztʊðəˈwɔːl

Unrestrained, aggressive, forceful; all-out, ‘full-throttle’.

词汇	balls-to-the-wall
释义	Definition of balls-to-the-wall in English: balls-to-the-wall (also balls-to-the-walls) adjective ˌbɔːlztʊðəˈwɔːl Unrestrained, aggressive, forceful; all-out, ‘full-throttle’. Origin 1960s. From the plural of ball + to + the + wall. Originally with reference to the ball-shaped grips on the throttles of certain military aircraft (which were opened by being pushed forward towards the firewall), but in later use perhaps associated with ball. Perhaps compare also with one's back to the wall. Definition of balls-to-the-wall in US English: balls-to-the-wall (also balls-to-the-walls) adjectiveˌbɔːlztʊðəˈwɔːl Unrestrained, aggressive, forceful; all-out, ‘full-throttle’. Origin 1960s. From the plural of ball + to + the + wall. Originally with reference to the ball-shaped grips on the throttles of certain military aircraft (which were opened by being pushed forward towards the firewall), but in later use perhaps associated with ball. Perhaps compare also with one's back to the wall.
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