bitter cold

「bitter cold」是「苦寒、酷寒」， 例如：

You can almost feel the bitter cold and biting Antarctic wind in this excellent biography of a polar hero.（從這部極地英雄傳記中，可以清楚地感受南極風的寒冷刺骨。）

The mild weather did not persist, and bitter cold accompanied by severe storms characterized much of this January.（溫和的天氣並沒有持續，酷寒伴隨暴風雨成了今年一月的特徵。）

Children sang and danced to fight off the bitter cold of winter.（孩子們唱歌跳舞對抗冬天的苦寒。）

consistent

「consistent」是「前後一致、始終如一的」， 例如：

The politicians' conduct is not consistent with what they say.（政治人物的言行不一。）

The results are consistent with earlier research.（這研究結果與早期的觀察一致。）

She is a consistent girl in her feeling.（她是一個感覺始終如一的女孩。）