hū
used in 恍惚[huang3 hu1]
心神恍惚
xīn shén huǎng hū
perturbed (idiom)
恍惚
huǎng hū
absent-minded
神思恍惚
shén sī huǎng hū
abstracted
精神恍惚
jīng shén huǎng hū
(idiom) absent-minded; in a trance