文法講座四十五：no wonder 句型
http://www.learnerhall.org/2013/02/no-wonder.html
「(It's) no wonder (that) 主詞 + 動詞」句型的意思為「難怪…」，透露出「一點都不感到驚訝」的情緒。句首的 It's 和關係代名詞 that 可略去不寫。
例句：小嬰兒餓扁了。難怪他一直哭。
例句：小嬰兒餓扁了。難怪他一直哭。
The baby is starving. It's no wonder that he keeps crying.
The baby is starving. No wonder he keeps crying.例句：有女友 Amy 在他裡臂彎裡，難怪 Mark 成了全世界最幸福的人。
With his girlfriend, Amy, in his arms, it's no wonder that Mark becomes the happiest man in the world.
With his girlfriend, Amy, in his arms, no wonder Mark becomes the happiest man in the world.例句：20 年來，他一直是個老菸槍。難怪他現在皮膚滿是皺紋，指甲發黃，聲音低沉沙啞，還有煩人的咳嗽。他的肺壁一定像煙囪內壁那樣全被燻黑了。
He has been a heavy smoker for 20 years. It's no wonder that he has wrinkled skin, yellow fingernails, deep hoarse voice, and sickening cough. The inside of his lungs must be as black as that of a chimney.
He has been a heavy smoker for 20 years. No wonder he has wrinkled skin, yellow fingernails, deep hoarse voice, and sickening cough. The inside of his lungs must be as black as that of a chimney.
