powerful

中英例句：

1. She redeemed her reputation with a powerful speech to the party convention.
   她由於向黨代表大會做了有力的演說而挽回了自己的聲譽。
2. This athlete has a powerful frame.
   這位運動員有著魁梧的體格。
3. The chancellor is the most powerful man in the Austrian government.
   首相是奧地利政府最有實權的人。
4. Russia used to be a very powerful country.
   俄國曾是一個非常強大的國家。
5. Now let me however, raise a single warning, ours is a very powerful opposition.
   現在，讓我提醒大家，我們是一個強有力的反對黨。
6. Characterized by force; powerful.
   強有力的以力量為特徵的; 強有力的
7. The elephant grinds its food with/between its powerful molars.
   象用其強有力的臼齒嚼碎食物。
8. This defeat was a powerful blow to the enemy.
   這次失敗是對敵人的有力的打擊。

　

英文解釋：

形容詞 powerful:

1. having great power or force or potency or effect
2. strong enough to knock down or overwhelm
   同義詞：knock-down
3. having great influence
   同義詞：potent
4. (of a person) possessing physical strength and weight; rugged and powerful
   同義詞：brawny, hefty, muscular, sinewy
5. displaying superhuman strength or power
   同義詞：herculean

副詞 powerful:

1. (Southern regional intensive) very
   同義詞：mighty, right

英文字典

詞型變化：

名詞:powerfulness 副詞:powerfully 

詞意辨析：

powerful, mighty

這兩個形容詞均含“強有力的”之意。
powerful: 普通用詞，指事物本身具有巨在的力量、能力或權力，也可作引申用。
mighty: 書面語用詞，指力量、威力或能力等非常大，非一般可比，多作引申用，有時含誇張意味。