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Unit 4
1 if nly = wish 虛擬，表示“但愿… 要是…就好了”
2 embarrassing --- embarrassed
must have done 對過去的肯定推測
3 nothing / nobody is more … than … 比較級表示最高級意義
4 This is a rhetorical question.
6&7: If you didn’t expect sth. to happen, you will not feel disappointed if it really doesn’t happen but you will feel surprised if it actually happens.
9 not in any way … : to emphasize that something is not true
“并不完全…”
10 a stone’s throw = in a short distance