She knew that her efforts to feign cheerfulness weren't convincing.她明白自己强作欢颜是瞒不了谁的.Cheerfulness doesn't always imply happiness.快活并不总是意味着幸福.Skateboarding gives one the extreme sense of cheerfulness and success.滑...
装在窗框上的厚厚的胶合板挡住了白天的光线。Thick chipboard across the window frames blocked out the daylight.我并不介意白天的噪音。I don't mind the noise during the day.预订了今天白天的戏票.I have ticket reserved for today's matinee....