你知道他为什么不高兴吗？
Do you know why he is upset?
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do英 /duː/|美 /du/
you英 /juː/|美 /ju/
know英 /nəʊ/|美 /noʊ/
Why英 /waɪ/|美 /waɪ/
解释
(Do) (you) (know) (why) 构成间接疑问句。why 后的从句用陈述语序 "he is upset" 而非直接疑问句的倒装语序 "why is he upset"。
Do you know why he is upset?
(Do) (you) (know) (why) 构成间接疑问句。why 后的从句用陈述语序 "he is upset" 而非直接疑问句的倒装语序 "why is he upset"。