A little tiredness after taking these drugs is to be expected.

　　服用這些藥后有點倦意是正常的。

　　A wave of tiredness swept over her.

　　她感到渾身疲憊。

　　Tiredness was etched on his face.

　　從他的`臉上可以看出他疲憊不堪。

　　His face was etched with tiredness.

　　從他的臉上可以看出他疲憊不堪。

　　An increasing ratio of mistakes, perhaps induced by tiredness, crept into her game.

　　可能是由于體力不支，她在比賽中的失誤越來越多。