The town is boring and characterless.

　　這個(gè)鎮乏味且毫無(wú)特色。

　　Many diets fail because they are boring.

　　許多規定飲食因單調乏味都不奏效。

　　A few jokes add leaven to a boring speech.

　　幾句笑話(huà)可給枯燥無(wú)味的演講增添活躍的氣氛。