高效 | gāo xiào | efficient / highly effective | |
卓有成效 | zhuó yǒu chéng xiào | highly effective / fruitful | |
药到病除 | yào dào bìng chú | lit. the disease is cured the moment the medicine is taken (idiom) / fig. (of a medical treatment) to give instant results / (of a solution or method) highly effective |