early 15c., imprenable "impossible to capture," from Middle French imprenable "invulnerable," from assimilated form of in- "not, opposite of" (see in- (1)) + Old French prenable "assailable, vulnerable" (see pregnable). With intrusive -g- 16c., on model of deign, reign, etc. Related: Impregnability.
雙語例句
1. The Bundesbank's seemingly impregnable position has begun to weaken.
德意誌聯邦銀行看似不可撼動的地位開始削弱了。
來自柯林斯例句
2. In those impregnable mountains, the guerrillas could hold out for years.
在那些易守難攻的大山裏，遊擊隊可以堅持很多年。
來自柯林斯例句
3. The old Dutch fort with its thick high walls looks virtually impregnable.
古老的荷蘭城堡城牆又厚又高，看起來幾乎固若金湯。
來自柯林斯例句
4. The team built up an impregnable 5-1 lead.
這個隊以5:1的絕對優勢領先。
來自《權威詞典》
5. The lawyer won his case with an impregnable argument.