看到孩子身处险境，他不假思索地跳进河里施救。
Seeing the child in danger, he didn't think twice before jumping into the river to help.
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didn't英 /ˈdɪdnt/|美 /ˈdɪdnt/
think英 /θɪŋk/|美 /θɪŋk/
twice英 /twaɪs/|美 /twaɪs/
解释
didn't 是 do not 的缩写形式，表示否定。
think 的意思是"思考、考虑"。
twice 的意思是"两次"，这里 think twice 字面意思是"思考两次"。
didn't think twice 是一个固定短语，表示"毫不犹豫、不假思索"，形容立即采取行动而没有过多考虑。
Seeing the child in danger, he didn't think twice before jumping into the river to help.
didn't 是 do not 的缩写形式，表示否定。 think 的意思是"思考、考虑"。 twice 的意思是"两次"，这里 think twice 字面意思是"思考两次"。 didn't think twice 是一个固定短语，表示"毫不犹豫、不假思索"，形容立即采取行动而没有过多考虑。