To hem and haw; to be evasive or hesitant in speech.
指说话吞吞吐吐，含混躲闪。亦作支支梧梧”。
清·文康《儿女英雄传》第五回我既这等苦苦相问，你自然就该侃侃而谈，怎么问了半日，你一味的吞吞吐吐，支支吾吾？”
When asked about the missing money, he just stood there hemming and hawing.
Learn the next connected idiom: 支支吾吾 (zhī zhī wú wú) → 五花八门 (wǔ huā bā mén)
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