絶句

プログレッシブ和英中辞典(第4版)

ぜっく【絶句】

❶〔漢詩〕

五言絶句
a Chinese quatrain with five-character lines

❷〔言葉に詰まること〕絶句する be unable to continue speaking (because of emotion)；《口》 get [be] all choked up；〔役者が〕dry up

彼女は喜びに感極まって絶句した
She was so overcome with joy that 「she was at a loss for words [she didn't know what to say].

その問いに答えようとして彼女は涙にむせび絶句した
She started to answer the question, but then broke into tears and couldn't continue.

出典　小学館「プログレッシブ和英中辞典(第4版)」