事半功倍more with less;half the work;twice the effect
事倍功半twice the effort for half the result
十拿九穩(wěn)very likely to happen;success within reach;extremely certain
十全十美to be completely perfect;flawless;to be perfect
實事求是to seek truth from facts;to be practical and realistic
世外桃源haven of peace;utopia
十之八九most likely (lit. in eight or nine cases out of ten)
手足情深brotherhood
熟能生巧skill comes from practice;with familiarity you learn the trick
數(shù)一數(shù)二one of the best;outstanding