转瞬: in a twinkle; in a flash 短语和例子在草原上, 一会儿晴空万里, 阳光灿烂, 但转瞬间, 又会刮起狂风暴雨。on the grassland, it may be fine and sunny one moment, then almost immediately heavy wind and storm may come down on you l
转瞬之间: in a wink; in the twinkle of an eye; in a flash
转瞬即逝: written in water 短语和例子他的诺言是转瞬即逝的; 他说话从来不算话。 his promises are written in water; he never keeps his word
