c. 1200, "become black or dark;" early 14c., "make black, darken, dye (hair);" see black + -en (1). Figurative sense of "to besmirch" (with dishonor, etc.) is from early 15c. Related: Blackened; blackening.
权威例句
1. You need to grill the tomatoes until the skins blacken.
你得把番茄烤到皮变黑为止。
2. They're trying to blacken our name.
他们企图败坏我们的名声。
3. Don't blacken my name by spreading rumors.
不要散播流言,破坏我的名誉.
4. Clouds blacken the heavens.
云遮暗了天.
5. Blacken'is a causative verb meaning cause to become black '.