no wonder…
怪不得…
no wonder 可以单独用，就是“怪不得，难怪”的意思。如果你想表达更加具体的含义的话，就在后面加速that从句，当然that从句，当然that我们通常看不见。就是这样简单。
精品五句
普通句
no wonder.
怪不得。
次级高手句
no wonder i couldn't sleep.
怪不得我睡不着。
高手句
no wonder i couldn't sleep well after playing computer games.
难怪打完电脑游戏我睡不好。
超级高手句
no wonder i couldn't sleep well after playing computer games with tangle.
难怪和tangle打完电脑游戏后我睡不好。
专家句
no wonder i couldn't sleep well after playing computer games with tangle last night。
难怪昨晚和tangle打完电脑游戏后我睡不好。