名詞 tiredness:

1. temporary loss of strength and energy resulting from hard physical or mental work
   同義詞：fatigue, weariness

1. Tiredness cannot possibly justify your treating staff this way.
   你不能以疲勞為理由就這樣對待職工。
2. Stress and tiredness often result in a lack of concentration.
   緊張和疲勞常使人精神不集中。
3. I'm inclined to tiredness in winter.
   我在冬天易于疲勞。
4. A little tiredness after taking these drugs is to be expected.
   服下這些藥後會有些疲倦。