Old English deadlic "mortal, subject to death," also "causing death;" see dead + -ly (1). Meaning "having the capacity to kill" is from late 14c. (Old English words for this included deaðbærlic, deaðberende).
实用例句
1. His mother's voice was one he knew; ice cold and deadly.
母亲的声音是他很熟悉的：冰冷、无情。
来自柯林斯例句
2. Broadcast news was accurate and reliable but deadly dull.
新闻广播准确可靠但却非常枯燥。
来自柯林斯例句
3. She took the gun and blazed away with calm and deadly accuracy.
她拿起枪，冷静地连续射击，弹无虚发。
来自柯林斯例句
4. The authorities are looking into last week's deadly gas explosions.
