The phrase "a solid left" is correct and usable in written English.
It can be used in contexts such as sports, particularly in boxing or martial arts, to describe a strong left-handed punch or strike.
Example: "The fighter surprised everyone with a solid left that knocked his opponent down."
Alternatives: "a strong left" or "a powerful left".
With less than a minute left in the sixth round, Byrd decked Harris with a solid left in the stomach and a glancing left hook to the head.
He is considered a solid left fielder; it is his ability to play left regularly that makes him attractive to the Yankees.
Shortstop Edgar Renteria completes a solid left side of the infield.
Knoblauch was forced to leave second because he could not throw the ball straight, but he became a solid left fielder.
In the fourth, Pacquiao finally caused Mayweather some trouble, rocking Mayweather to the ropes with a solid left, but he just could not capitalise.
Eubank Jr smiled as the 10th began, and a solid left jab rocked Saunders, his head bouncing back as the Eubank Snr wolf whistles continued, and Jr clawed back another round.
Holyfield responded, winning the seventh round with a solid left-jab, right-hook combination.
He moves well, has a solid, left-handed serve, a nifty two-handed backhand and can finish points at the net.
Shooting a nine-under-par 63 at Disney's Palm course, Woods shared the first-round lead with Steve Flesch, a solid left-handed player who is looking for his first victory on the PGA Tour.
It was better news for Manager Joe Torre, who lost his best starter, Lowe, but added Randy Wolf, a solid left-hander, and Orlando Hudson, a top second baseman.
A new class of thinkers emerged representing what some have called "the opening of the evangelical mind," and a solid religious left began to take shape, symbolized most powerfully by Barack Obama.
