His English is fair.
彼の英語はまあまあだ
His enthusiasm died down.
彼の意気込みはさめた
His enthusiasm infected us.
彼の熱意が私たちに伝染した
His escape was little short of a miracle.
彼の脱出は奇跡に近かった
His [Her] Excellency
（間接にさして）閣下（夫人）
His explanation of the problem adds up to nonsense.
その問題に関する彼の説明は意味をなさない
His explanation sounds convincing.
彼の説明はもっともらしい
His expression changed from anger to confusion.
彼の表情は怒りから困惑に変わった
His expression suggested anger.
彼の表情は怒っていた
His eyelids drowsily lifted.
彼のまぶたが眠そうに開いた
