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她是如此烦恼，因此她无法成眠。
She was so upset that she didn't sleep a wink.
youdao
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他昨夜无法成眠，因为他整夜都在咳嗽。
He didn't sleep a wink last night because he kept coughing all night long.
youdao
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他昨夜无法成眠，因为他整夜都在咳嗽。
He didn't sleep a wink last night because he kept coughing all night long.
youdao