carry a torch for
US /ˈkæri ə tɔːrtʃ fɔːr/
UK /ˈkæri ə tɔːrtʃ fɔːr/
1.
对...念念不忘, 单相思
to have strong feelings of love for someone, especially someone who does not feel the same way about you
:
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He still carries a torch for his ex-girlfriend, even though she's married now.
他仍然对前女友念念不忘，尽管她现在已经结婚了。
•
She's been carrying a torch for him since high school, but he never noticed.
她从高中起就一直暗恋着他，但他从未察觉。