hustling的音标？

vt.& vi.催促（hustle的现在分词形式）...

They had finished the exam and the teacher was hustling to get the papers gathered up.他们已经考完试了，老师正在赶紧收卷子。Our quartet was out hustling and we knew we stood good to take in a lot of change before the night was over.我们的四重奏是...