The phrase "a good breakthrough" is correct and usable in written English.
It can be used to describe a significant and positive advancement or discovery in a particular field or context.
Example: "The researchers announced a good breakthrough in cancer treatment that could save countless lives."
Alternatives: "a significant advancement" or "an important discovery".
"I think a good international breakthrough would be if the British and American soldiers tell each other where they are standing," Brand said in one of the offending gags.
I hit balls after the round, and I had this really good breakthrough.
Mr Farage said: "There are other parts of Kent - Tunbridge Wells and east Kent - where we've made some quite good breakthroughs over the last three or four years but this is the first step on the rung in Maidstone, so we're delighted.
An equilibrium model provided a good description of breakthrough curves for the bromide tracer but could not adequately describe the colloid data.
3) Learn to use the explosively growing collaborative capacity of today's communication tools to maximize your chances of turning a good idea into a breakthrough, and getting that resulting innovation where it needs to go to make the biggest difference.
The breakthrough model developed in this study provides a good description of the experimental breakthrough data obtained from magnetic filtration of paramagnetic particles and magnetically seeded filtration with Brownian-flocculation.
"I really thought I had a good shot of having a breakthrough here".
But BRP has a good record, having previously developed breakthrough products including the Ski-doo snowmobile and the Sea-doo "personal watercraft".
Ford's 1979 Probe 1 concept was one of a series of cars that led to the popular aero look seen in the 1983 Thunderbird (Mr. Kendall said he would have included the aero 'bird, but had trouble finding a good example) and then the breakthrough 1986 Taurus.
