what does neat mean in a small talk?

“in a second”what does it mean? small ball 意思（what does small ball mean? What does 'a wolf in sheep's clothing'mean? What does "run a high temperature" mean in English? What does'a wolf in sheep's clothing'mean? What does‘a wolf in sheep’s clothing’ mean? What does large mean?It means( ) A small B fat C big D stron What does "a bag weighing within 5% of the mean" mean in the what does "play in the hey" mean? what does "SAR" mean in Chinese? What does hi mean in Chinese what does "light"mean in Chinese______