◙ noun 1. a long, thin line or mark of a different substance or colour from its surroundings • 条纹，条痕，色带 »a streak of oil. 油带。 [Microbiology] a narrow line of bacteria smeared on the surface of a solid culture medium • [微生物] （细菌在固体培养基上的）画线 2. an element of a specified kind in someone's character • （性格的）特征，倾向 »there's a streak of insanity in the family. 这个家族有精神病的倾向。 »Lucy had a ruthless streak. 露西生性有点残忍。 [usu. with adj.] a continuous period of specified success or luck • （成功或幸运的）一段时间，一阵子 »the theatre is on a winning streak. 那个剧院这一阵子非常火爆。 »Hull ended their four-game losing streak. 赫尔结束了他们的四连败。 3. [informal] an act of running naked in a public place so as to shock or amuse others • [非正式] 公共场合裸跑 »a streak for charity. 为慈善事业而进行的公共场合裸跑。 ◙ verb 1. [with obj.] cover (a surface) with streaks • 在（表面）加条纹 »tears streaking her face, Cynthia looked up. 辛西娅抬起头来，脸上满是泪痕。 »his beard was streaked with grey. 他的胡子已经花白。 dye (hair) with long, thin lines of a different, typically lighter colour than one's natural hair colour • 染（头发）成条纹状 »[with obj. and complement] hair that was streaked blonde. 染成金黄色条纹的头发。 [Microbiology] smear (a needle, swab, etc.) over the surface of a solid culture medium to initiate a culture • [微生物] （用针或药签在固体培养基表面）画线（接种细菌）涂布 2. [no obj., with adverbial of direction] move very fast in a specified direction • 飞跑，疾驰 »the cat leaped free and streaked across the street. 那只猫挣脱后飞快地跑过街去了。 3. [no obj.] [informal] run naked in a public place so as to shock or amuse others • [非正式] 在公共场合裸跑
【IDIOMS】
◘ like a streak 1. [informal] very fast • [非正式] 飞快地，闪电般地 »he is off like a streak. 他飞快地跑开了。 ◘ streak of lightning 1. a flash of lightning • 一道闪电
【派生】
♦ streaker noun （限动词义项3）
【语源】
1. Old English strica, of Germanic origin; related to Dutch streek and German Strich, also to strike. The sense 'run naked' was originally US slang